{"title":"2023+ GR Corolla Exhaust Catback","description":"","products":[{"product_id":"awe-touring-exhaust-2023-toyota-gr-corolla","title":"AWE Touring Catback Exhaust - 2023+ Toyota GR Corolla","description":"\u003ch2\u003eAWE GR Corolla Touring Exhaust\u003c\/h2\u003e\n\u003cp class=\"\"\u003eThe pinnacle of hot-hatch performance. At the confluence of elegance and power resides the Touring Edition Exhaust – a 3” T304L stainless steel downpipe-back setup delivering a deep, rich, and robust sound that transforms the GRC's demeanor from idle to full throttle, and throughout the power band.\u003c\/p\u003e\n\u003cp class=\"\"\u003eEquipped with AWE’s proprietary drone-reducing 180 Technology®, the Touring Edition extracts the raw essence of the 1.6L engine while eliminating the specific frequencies that create cabin discomfort, which could otherwise disrupt the GRC's structural integrity and induce what many may recognize as drone at highway speeds. The 180 Technology® resonators utilize a design devoid of packing material to maintain tonal consistency over time, alongside a straight-through configuration to enhance exhaust flow. Their primary function is to obliterate frequencies that produce drone, resulting in a clear and uninhibited exhaust sound paired with optimal performance.\u003c\/p\u003e\n\u003ch2\u003eAWE Exhausts For GR Corolla by AWE\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe class=\"responsive\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/LhDUr5FC8eU?si=-JR-DBp-L8uaZ2cA\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cdiv class=\"sqs-block html-block sqs-block-html\" data-block-type=\"2\" data-border-radii='{\"topLeft\":{\"unit\":\"px\",\"value\":0.0},\"topRight\":{\"unit\":\"px\",\"value\":0.0},\"bottomLeft\":{\"unit\":\"px\",\"value\":0.0},\"bottomRight\":{\"unit\":\"px\",\"value\":0.0}}' id=\"block-yui_3_17_2_1_1732726580966_16252\"\u003e\n\u003cdiv class=\"sqs-block-content\"\u003e\n\u003cdiv class=\"sqs-html-content\"\u003e\n\u003ch3\u003eDyno Tests: AWE Exhaust For The GR Coroll\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sqs-block html-block sqs-block-html\" data-block-type=\"2\" data-border-radii='{\"topLeft\":{\"unit\":\"px\",\"value\":0.0},\"topRight\":{\"unit\":\"px\",\"value\":0.0},\"bottomLeft\":{\"unit\":\"px\",\"value\":0.0},\"bottomRight\":{\"unit\":\"px\",\"value\":0.0}}' id=\"block-yui_3_17_2_1_1732726580966_17593\"\u003e\n\u003cdiv class=\"sqs-block-content\"\u003e\n\u003cdiv class=\"sqs-html-content\" style=\"text-align: start;\"\u003e\n\u003ch4\u003eSingle 3” to triple 2.5” design:\u003c\/h4\u003e\n\u003cp class=\"\"\u003eThe Touring and Track Editions are equipped with a 3” inlet on the mid-pipe, allowing for additional modifications upstream without interference. The stamped stainless merge at the rear facilitates a smooth transition from a single 3” outlet to three 2.5” outlets, ensuring optimal flow through each exit.\u003c\/p\u003e\n\u003ch4\u003eBullets in the back:\u003c\/h4\u003e\n\u003cp class=\"\"\u003eEach exhaust is equipped with a combination of custom straight-through bullet-style resonators at the rear, designed to deliver an aggressive sound while also managing unwanted rasp.\u003c\/p\u003e\n\u003ch4\u003eTailored tips:\u003c\/h4\u003e\n\u003cp class=\"\"\u003eA custom-designed oval double-walled tip measuring 4.5\" x 8\" is center-mounted, accompanied by two 5\" double-walled tips, each featuring a slash cut, available in chrome silver or diamond black. These are the most aesthetically pleasing aftermarket tips offered for the GRC.\u003c\/p\u003e\n\u003cp class=\"\"\u003e \u003c\/p\u003e\n\u003ch4\u003eConversion kits:\u003c\/h4\u003e\n\u003cp class=\"\"\u003eAWE simplifies the process of converting current Track Editions into Touring Editions and vice versa, allowing you to adjust your interior volume as needed in the future. It's important to note that both the Touring and Track Editions are designed with an aggressive sound profile; the distinction comes from a subtle variation in the intense frequencies generated by the 1.6L engine during highway cruising speeds.\u003c\/p\u003e\n\u003ch4\u003eNope, they’re not valved:\u003c\/h4\u003e\n\u003cp class=\"\"\u003eDuring research and development, AWE carried out a thorough assessment of the factory valve and its performance across various driving conditions to understand its functionality. The valve cannot be controlled by the driver in any way; it remains fixed regardless of driving mode, button presses, or settings—no manual opening or closing of the valve is possible from inside the vehicle. It operates directly based on throttle input, only opening after a specific threshold set by the ECU is reached, typically at low RPMs. Its primary function is to manage backpressure, with the exhaust system designed to prioritize flow through the larger center outlet. The stock rear muffler has a baffled design without packing material, which only channels flow to the left and right exits during light throttle cruising.\u003c\/p\u003e\n\u003cp class=\"\"\u003eAfter validating these findings, and considering our enhancements naturally address any backpressure concerns, there was no merit in including a valve in our design. The kit is equipped with an integrated valve motor mount to facilitate secure relocation.\u003c\/p\u003e\n\u003ch4\u003ePower to the pavement:\u003c\/h4\u003e\n\u003cp class=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0732\/3457\/9704\/files\/GR-COROLLA-WHEEL-DYNO_600x600.jpg?v=1737043873\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cp class=\"\"\u003eDyno-verified gains of +3 hp and +1 lb-ft of torque at the wheels on an otherwise stock vehicle. \u003c\/p\u003e\n\u003cp class=\"\"\u003e100% emission-friendly:\u003c\/p\u003e\n\u003cp class=\"\"\u003eTouring and Track Editions do not interfere with any factory emissions equipment.\u003c\/p\u003e\n\u003ch4\u003eWeights:\u003c\/h4\u003e\n\u003cp class=\"\"\u003eTrack Edition: 37.5 lbs (with clamps \u0026amp; tips)  | Touring Edition: 46.5 lbs (with clamps \u0026amp; tips)\u003c\/p\u003e\n\u003cp class=\"\"\u003eAWE uses T304L stainless steel with a wall thickness of .065\". The overall weights of each system are directly reflective of the material used, the increase in diameter throughout the exhaust, and the increase in component content.\u003c\/p\u003e\n\u003ch4\u003eMade in PA, USA:\u003c\/h4\u003e\n\u003cp class=\"\"\u003eEngineered, designed, and manufactured in-house at AWE using US-sourced .065”-wall T304L stainless steel to achieve a tone deeper than everyone else.\u003c\/p\u003e\n\u003ch4\u003eThe fine print:\u003c\/h4\u003e\n\u003cp class=\"\"\u003eAWE’s Perfect Fitment Guarantee, No CEL Guarantee, and Lifetime Warranty all come standard. Track Editions can not be returned for sound reasons (but you can do a conversion kit to Touring Edition at any time!). \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"AWE","offers":[{"title":"Chrome Silver Tips","offer_id":46026134225144,"sku":"3015-52472","price":1495.0,"currency_code":"USD","in_stock":true},{"title":"Diamond Black Tips","offer_id":46026134257912,"sku":"3015-53472","price":1495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3457\/9704\/files\/3015-53472_1_1369abda-2ec7-47df.jpg?v=1734551197"},{"product_id":"awe-touring-exhaust-2023-toyota-gr-corolla-7x2at","title":"AWE Track Exhaust - 2023+ Toyota GR Corolla","description":"\u003cp class=\"\"\u003eThe pinnacle of hot-hatch performance. At the confluence of elegance and power resides the Touring Edition Exhaust – a 3” T304L stainless steel downpipe-back setup delivering a deep, rich, and robust sound that transforms the GRC's demeanor from idle to full throttle, and throughout the power band.\u003c\/p\u003e\n\u003cp class=\"\"\u003eEquipped with AWE’s proprietary drone-reducing 180 Technology®, the Touring Edition extracts the raw essence of the 1.6L engine while eliminating the specific frequencies that create cabin discomfort, which could otherwise disrupt the GRC's structural integrity and induce what many may recognize as drone at highway speeds. The 180 Technology® resonators utilize a design devoid of packing material to maintain tonal consistency over time, alongside a straight-through configuration to enhance exhaust flow. Their primary function is to obliterate frequencies that produce drone, resulting in a clear and uninhibited exhaust sound paired with optimal performance.\u003c\/p\u003e\n\u003ch2\u003eAWE Exhausts For GR Corolla by AWE\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/LhDUr5FC8eU?si=eTo0RxhT63u_CTaf\" height=\"315\" width=\"560\" class=\"responsive\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch3\u003eDyno Tests: AWE Exhaust For The GR Corolla\u003c\/h3\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0732\/3457\/9704\/files\/GR-COROLLA-WHEEL-DYNO_b3101bf9-e22f-41fd-afa5-51e168afc11e.jpg?v=1737130027\"\u003e\u003c\/p\u003e\n\u003ch4\u003eSingle 3” to triple 2.5” design:\u003c\/h4\u003e\n\u003cp class=\"\"\u003eThe Touring and Track Editions are equipped with a 3” inlet on the mid-pipe, allowing for additional modifications upstream without interference. The stamped stainless merge at the rear facilitates a smooth transition from a single 3” outlet to three 2.5” outlets, ensuring optimal flow through each exit.\u003c\/p\u003e\n\u003ch4\u003eBullets in the back:\u003c\/h4\u003e\n\u003cp class=\"\"\u003eEach exhaust is equipped with a combination of custom straight-through bullet-style resonators at the rear, designed to deliver an aggressive sound while also managing unwanted rasp.\u003c\/p\u003e\n\u003ch4\u003eTailored tips:\u003c\/h4\u003e\n\u003cp class=\"\"\u003eA custom-designed oval double-walled tip measuring 4.5\" x 8\" is center-mounted, accompanied by two 5\" double-walled tips, each featuring a slash cut, available in chrome silver or diamond black. These are the most aesthetically pleasing aftermarket tips offered for the GRC.\u003c\/p\u003e\n\u003cp class=\"\"\u003e \u003c\/p\u003e\n\u003ch4\u003eConversion kits:\u003c\/h4\u003e\n\u003cp class=\"\"\u003eAWE simplifies the process of converting current Track Editions into Touring Editions and vice versa, allowing you to adjust your interior volume as needed in the future. It's important to note that both the Touring and Track Editions are designed with an aggressive sound profile; the distinction comes from a subtle variation in the intense frequencies generated by the 1.6L engine during highway cruising speeds.\u003c\/p\u003e\n\u003ch4\u003eNope, they’re not valved:\u003c\/h4\u003e\n\u003cp class=\"\"\u003eDuring research and development, AWE carried out a thorough assessment of the factory valve and its performance across various driving conditions to understand its functionality. The valve cannot be controlled by the driver in any way; it remains fixed regardless of driving mode, button presses, or settings—no manual opening or closing of the valve is possible from inside the vehicle. It operates directly based on throttle input, only opening after a specific threshold set by the ECU is reached, typically at low RPMs. Its primary function is to manage backpressure, with the exhaust system designed to prioritize flow through the larger center outlet. The stock rear muffler has a baffled design without packing material, which only channels flow to the left and right exits during light throttle cruising.\u003c\/p\u003e\n\u003cp class=\"\"\u003eAfter validating these findings, and considering our enhancements naturally address any backpressure concerns, there was no merit in including a valve in our design. The kit is equipped with an integrated valve motor mount to facilitate secure relocation.\u003c\/p\u003e\n\u003ch4\u003ePower to the pavement:\u003c\/h4\u003e\n\u003cp class=\"\"\u003eDyno-verified gains of +3 hp and +1 lb-ft of torque at the wheels on an otherwise stock vehicle. \u003c\/p\u003e\n\u003cp class=\"\"\u003e100% emission-friendly:\u003c\/p\u003e\n\u003cp class=\"\"\u003eTouring and Track Editions do not interfere with any factory emissions equipment.\u003c\/p\u003e\n\u003ch4\u003eWeights:\u003c\/h4\u003e\n\u003cp class=\"\"\u003eTrack Edition: 37.5 lbs (with clamps \u0026amp; tips)  | Touring Edition: 46.5 lbs (with clamps \u0026amp; tips)\u003c\/p\u003e\n\u003cp class=\"\"\u003eAWE uses T304L stainless steel with a wall thickness of .065\". The overall weights of each system are directly reflective of the material used, the increase in diameter throughout the exhaust, and the increase in component content.\u003c\/p\u003e\n\u003ch4\u003eMade in PA, USA:\u003c\/h4\u003e\n\u003cp class=\"\"\u003eEngineered, designed, and manufactured in-house at AWE using US-sourced .065”-wall T304L stainless steel to achieve a tone deeper than everyone else.\u003c\/p\u003e\n\u003ch4\u003eThe fine print:\u003c\/h4\u003e\n\u003cp class=\"\"\u003eAWE’s Perfect Fitment Guarantee, No CEL Guarantee, and Lifetime Warranty all come standard. Track Editions can not be returned for sound reasons (but you can do a conversion kit to Touring Edition at any time!). \u003c\/p\u003e","brand":"AWE","offers":[{"title":"Chrome Silver Tips","offer_id":46026134487288,"sku":"3020-52472","price":1195.0,"currency_code":"USD","in_stock":true},{"title":"Diamond Black Tips","offer_id":46026134520056,"sku":"3020-53472","price":1195.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3457\/9704\/files\/3020-53472_1_e1839acd-d251-4190.jpg?v=1734551206"},{"product_id":"xforce-varex-valved-catback-system-2022-toyota-gr-corolla","title":"XForce Varex Valved Catback System - 2023-2024 Toyota GR Corolla (Manual Trans Only)","description":"\u003cp\u003eUnleash the full potential of your GR Corolla with the XForce Varex Valved Cat-Back System. Designed and tested specifically for the 2023–2024 GR Corolla (manual transmission only), this system blends strong flow with a wide sound range—so you can cruise quietly on the street and open it up when it’s time for “race mode.”\u003c\/p\u003e\n\n  \u003cp\u003eXForce’s patented \u003cstrong\u003eVarex valve technology\u003c\/strong\u003e gives you on-demand control using the included remote, or you can upgrade to the optional \u003cstrong\u003eSmartBox\u003c\/strong\u003e for smartphone control and next-level personalization. The result is an exhaust that adapts to your driving, not the other way around.\u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVarex Valved Control:\u003c\/strong\u003e Switch from street-friendly to aggressive sound on demand.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRemote Included:\u003c\/strong\u003e Included remote control for quick mode changes.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSmartBox Compatible:\u003c\/strong\u003e Optional SmartBox adds smartphone control and advanced personalization (sold separately).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBrushed 304 Stainless Construction:\u003c\/strong\u003e 3\" cat-back system built for durability and corrosion resistance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eResonated Center Section:\u003c\/strong\u003e Dual center “hot dog” resonators with an anti-resonance chamber to help manage cabin resonance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVarex Rear Muffler:\u003c\/strong\u003e Rear muffler with twin 3\" outlets for strong flow and signature tone.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMulti-Tip Layout:\u003c\/strong\u003e Polished angle-cut tips with distinct sizing for an aggressive, motorsport look.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFactory Valve Motor Mount:\u003c\/strong\u003e Includes provision for the factory exhaust valve motor mounting location.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eTip Configuration\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOuter Tips:\u003c\/strong\u003e Polished 4\" angle cut\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCenter Tips:\u003c\/strong\u003e Polished 3.5\" angle cut\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhy We Like It\u003c\/h3\u003e\n  \u003cp\u003eThe GR Corolla can be a daily driver or a weekend weapon, and this system fits both personalities. The resonated mid section helps keep the car livable, while the Varex valve lets you bring the volume when you want it. If you’re chasing flexibility without compromising on materials, this is a strong option.\u003c\/p\u003e\n\n\n\n  \u003ch3\u003eSpecifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSystem Type:\u003c\/strong\u003e Valved cat-back exhaust\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brushed 304 stainless steel\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePiping Diameter:\u003c\/strong\u003e 3\"\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eResonators:\u003c\/strong\u003e Two center hot dog resonators with anti-resonance chamber\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMuffler:\u003c\/strong\u003e Varex rear muffler with twin 3\" outlets\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTips:\u003c\/strong\u003e Outer 4\" and center 3.5\" polished angle cut tips\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eValve Integration:\u003c\/strong\u003e Factory exhaust valve motor mount provision\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e Remote control included; SmartBox optional (sold separately)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDesigned as a direct-fit cat-back system for the GR Corolla manual.\u003c\/li\u003e\n    \u003cli\u003eFollow XForce instructions for valve control wiring and setup.\u003c\/li\u003e\n    \u003cli\u003eIf adding the SmartBox, additional setup is required for app-based control.\u003c\/li\u003e\n    \u003cli\u003eRe-check clamps\/hardware after the first heat cycle.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat’s in the Box\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eXForce 3\" cat-back exhaust system (brushed 304 stainless)\u003c\/li\u003e\n    \u003cli\u003eCenter section with dual resonators and anti-resonance chamber\u003c\/li\u003e\n    \u003cli\u003eVarex rear muffler section\u003c\/li\u003e\n    \u003cli\u003ePolished angle-cut tip assemblies\u003c\/li\u003e\n    \u003cli\u003eVarex remote control and associated components (per XForce kit contents)\u003c\/li\u003e\n    \u003cli\u003eRequired clamps\/hardware (per XForce kit contents)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCompatibility \u0026amp; Disclaimers\u003c\/h3\u003e\n  \u003cp\u003eDesigned for 2023–2024 Toyota GR Corolla \u003cstrong\u003emanual transmission only\u003c\/strong\u003e. Not intended for automatic applications. Always verify local noise regulations and use discretion when operating in louder valve modes. SmartBox is optional and sold separately.\u003c\/p\u003e","brand":"Xforce","offers":[{"title":"Default Title","offer_id":46154910335224,"sku":"ESTCG23VKCS","price":1895.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3457\/9704\/files\/ESTC23VKCS-33.png?v=1738683033"},{"product_id":"apexi-n1-evo-extreme-valved-quad-exit-performance-catback-2023-toyota-gr-corolla","title":"APEXI N1 Evo Extreme Valved Quad Exit Catback Exhaust System (Resonated \u0026 Nonresonated) - 2023+ Toyota GR Corolla","description":"\u003cp\u003eBuilt on the proven N1 straight-through architecture, the A’PEXi N1 Evolution Extreme Catback maximizes exhaust efficiency while integrating an internal hybrid silencer for a refined, functional sound. Newly engineered quad tips feature a rolled, riveted double-pipe structure that acts as a diffuser to help reduce tip surface temperatures while preserving a purposeful, motorsport aesthetic. Made in Japan.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStraight-Through Performance:\u003c\/strong\u003e N1 layout prioritizes flow and response for the G16E-GTS.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHybrid Silencer:\u003c\/strong\u003e Balances free-flowing characteristics with tuned resonance for streetable volume.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented Megaphone Piping:\u003c\/strong\u003e Promotes a swirling exhaust flow to enhance torque and throttle response across the powerband.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Materials:\u003c\/strong\u003e TIG-welded SUS304 stainless steel construction; tip options in titanium or stainless steel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValved System:\u003c\/strong\u003e Integrated valve is compatible with the factory OE electronic module for seamless control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in Japan:\u003c\/strong\u003e Precision manufacturing and chassis-specific fitment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eN1-X Evolution Extreme Catback Exhaust- 2023+ Toyota GR Corolla\u003c\/h4\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/JJCPeQOYt-s?si=FJUjtraZM8w0mCyl\" height=\"315\" width=\"560\" class=\"responsive\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy We Like It\u003c\/h3\u003e\n\u003cp\u003eThis system delivers classic N1 urgency with modern civility. The electronically compatible valve and hybrid silencer keep daily driving composed, while the megaphone sections and quad diffuser-style tips unlock the GR Corolla’s character under load.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Type:\u003c\/strong\u003e N1 Evolution Extreme (N1-X) Valved Quad-Type Catback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiping Diameter (Outer Left\/Right):\u003c\/strong\u003e 70 mm → 60.5 mm × 2 pipes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiping Diameter (Center Dual):\u003c\/strong\u003e 70 mm → 50.8 mm × 2 pipes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTip Diameter:\u003c\/strong\u003e Center dual tips 93 mm; outer tips 123 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePieces:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Style:\u003c\/strong\u003e Dual-wall rolled, angle cut (riveted)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTip Material Options:\u003c\/strong\u003e TP270 grade titanium (heat-treated gradient) or SUS304 stainless steel (polished)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiping\/Muffler Material:\u003c\/strong\u003e SUS304 stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt-On:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpeed Industries GR Corolla N1 EVO Exhaust Overview + Install\u003c\/h4\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/_OOigsSxsbQ?si=g1ec8UE1OkhVyGGy\" height=\"315\" width=\"560\" class=\"responsive\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDirect bolt-on; designed to integrate with the factory OE electronic valve module.\u003c\/li\u003e\n\u003cli\u003eReuses OEM hangers; no cutting or welding required.\u003c\/li\u003e\n\u003cli\u003eVerify tip alignment and valve connector routing before final torque.\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended for best sealing and fitment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eA’PEXi N1 Evo Extreme valved catback assembly (2 pieces)\u003c\/li\u003e\n\u003cli\u003eQuad tip set (titanium or stainless steel, per selection)\u003c\/li\u003e\n\u003cli\u003eGaskets, hardware, and basic instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Disclaimers\u003c\/h3\u003e\n\u003cp\u003eFor G16E-GTS turbocharged GR Corolla models. In some regions, exhaust modifications may be restricted for on-road use. Check local noise and emissions regulations prior to installation.\u003c\/p\u003e","brand":"APEXi","offers":[{"title":"Titanium \/ Resonated","offer_id":47233296924920,"sku":"164-KT23","price":2599.0,"currency_code":"USD","in_stock":true},{"title":"Titanium \/ Non-Resonated","offer_id":47233296957688,"sku":"164-KT23P","price":2499.0,"currency_code":"USD","in_stock":true},{"title":"Stainless Steel \/ Resonated","offer_id":47233296990456,"sku":"164AKT23P","price":2399.0,"currency_code":"USD","in_stock":true},{"title":"Stainless Steel \/ Non-Resonated","offer_id":47233297023224,"sku":"164AKT23","price":2299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3457\/9704\/files\/GRC-Quad-SS-Non-Res.jpg?v=1761232874"},{"product_id":"apexi-n1-evo-extreme-valved-dual-type-catback-2023-toyota-gr-corolla","title":"APEXi N1 Evo Extreme (Valved Dual-Type Catback) - 2023+ Toyota GR Corolla","description":"\u003cp\u003eThe A’PEXi N1 Evolution Extreme represents the latest evolution of the iconic N1 series—refined for the GR Corolla’s G16E-GTS powerplant. It emphasizes maximum exhaust efficiency through a straight-through layout while integrating an internal hybrid silencer that balances performance and sound control. The result is a deep, resonant tone with minimal drone and an aggressive exhaust note when the valve opens.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Performance Design:\u003c\/strong\u003e Straight-through N1 layout optimizes exhaust flow for power and response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHybrid Silencer System:\u003c\/strong\u003e Maintains low noise levels at cruise while allowing high-flow performance under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented Megaphone Piping:\u003c\/strong\u003e Generates a swirling exhaust flow for improved torque and throttle response across the RPM band.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Construction:\u003c\/strong\u003e TIG-welded SUS304 stainless steel throughout with your choice of titanium or stainless steel tips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Engineering:\u003c\/strong\u003e 9.62 kg total system weight—over 30% lighter than the factory OE system (14.56 kg).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in Japan:\u003c\/strong\u003e Manufactured with A’PEXi’s renowned precision and quality standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOE-Compatible Valve System:\u003c\/strong\u003e Integrates seamlessly with the factory electronic valve module.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy We Like It\u003c\/h3\u003e\n\u003cp\u003eThis system gives the GR Corolla the voice it deserves. The A’PEXi N1-X valved catback delivers sharp throttle response, a refined deep tone at idle, and aggressive exhaust character at wide-open throttle—all while remaining livable for daily use. It’s lightweight, durable, and track-proven.\u003c\/p\u003e\n\u003ch4\u003eA'PEXi GRC N1-X Evolution Extreme Dual Valved Exhaust System Overview\u003c\/h4\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/G17wZdEKaRc?si=Xxk3PL1LWhyVMQXW\" height=\"315\" width=\"560\" class=\"responsive\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Type:\u003c\/strong\u003e N1 Evolution Extreme (N1-X) Valved Catback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiping Diameter:\u003c\/strong\u003e Midpipe – 70 mm \/ Muffler side – 70 mm \/ Valved side – 55 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTip Diameter:\u003c\/strong\u003e Dual center tips – 93 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 9.62 kg (21 lbs) total\n\u003cul\u003e\n\u003cli\u003eResonated Midpipe – 5.32 kg\u003c\/li\u003e\n\u003cli\u003eRear Muffler – 4.3 kg\u003c\/li\u003e\n\u003cli\u003eFactory OE Exhaust – 14.56 kg (32.1 lbs)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePieces:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Style:\u003c\/strong\u003e Dual-wall rolled, angle cut (riveted)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTip Material Options:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eTP270 Grade Titanium – Heat-treated gradient finish\u003c\/li\u003e\n\u003cli\u003eSUS304 Stainless Steel – Polished finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiping Material:\u003c\/strong\u003e SUS304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Material:\u003c\/strong\u003e SUS304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt-On:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDirect bolt-on installation with full compatibility to factory electronic valve module.\u003c\/li\u003e\n\u003cli\u003eNo cutting or welding required; uses OEM mounting points.\u003c\/li\u003e\n\u003cli\u003eEnsure proper valve connection routing and gasket alignment.\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended for best results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eA’PEXi N1 Evolution Extreme Valved Catback Exhaust assembly (2 pieces)\u003c\/li\u003e\n\u003cli\u003eTitanium or stainless steel tips (depending on selected variant)\u003c\/li\u003e\n\u003cli\u003eGaskets, bolts, and installation hardware\u003c\/li\u003e\n\u003cli\u003eBasic instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Disclaimers\u003c\/h3\u003e\n\u003cp\u003eFor G16E-GTS-equipped GR Corolla models only. Designed for use with factory electronic valve system. Check local regulations regarding exhaust modifications and noise levels before installation. For off-road or motorsport use in some regions.\u003c\/p\u003e","brand":"APEXi","offers":[{"title":"Titanium","offer_id":47233343750392,"sku":"164-KT25","price":1899.0,"currency_code":"USD","in_stock":true},{"title":"Stainless Steel","offer_id":47233343783160,"sku":"164AKT25","price":1799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3457\/9704\/files\/164-KT25.jpg?v=1761233902"},{"product_id":"apexi-n1-evolution-r-performance-catback-system-2023-toyota-gr-corolla-2019-corolla-hatchback","title":"APEXi N1 Evolution R Performance Catback System - 2023+ Toyota GR Corolla \/ 2019+ Corolla Hatchback","description":"\u003cp\u003eThe A’PEXi N1 EVO-R takes the legendary N1 heritage and pushes it further. Originally developed for Japan’s N1 endurance series, this system delivers track-proven performance in a durable, beautifully polished package. The EVO-R builds on the foundation of the classic N1 with fully polished SUS304 stainless steel piping, mandrel bends, and TIG-welded construction for unmatched reliability and flow efficiency.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRacing-Inspired Design:\u003c\/strong\u003e Straight-through muffler layout derived from A’PEXi’s endurance racing experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull SUS304 Construction:\u003c\/strong\u003e Mandrel-bent, fully polished stainless steel for strength, corrosion resistance, and long-term performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimal Bend Geometry:\u003c\/strong\u003e Reduces flow restriction for improved throttle response and horsepower.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignature N1 Look:\u003c\/strong\u003e Classic angled canister design that defined the import performance era.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality TIG Welding:\u003c\/strong\u003e Robotic precision ensures consistent, clean welds and a premium finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack-Focused Durability:\u003c\/strong\u003e Built to withstand high heat cycles and demanding driving conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eA'PEXi N1 EVO-R (Single Exit) Catback Exhaust for 2019+ Toyota Corolla Hatchback (E210)\u003c\/h4\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/Jz5t2_WgIwo?si=KrvfrV6hfHJCxkVs\" height=\"315\" width=\"560\" class=\"responsive\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy We Like It\u003c\/h3\u003e\n\u003cp\u003eThe N1 EVO-R embodies A’PEXi’s motorsport roots—clean design, reliable build quality, and a distinctive tone that connects directly to the brand’s racing heritage. It’s the ideal upgrade for Corolla enthusiasts who want a true performance exhaust without compromise.\u003c\/p\u003e\n\u003ch3\u003eConfirmed Fitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2019–2022 Toyota Corolla (Base \/ SE \/ XSE)\u003c\/li\u003e\n\u003cli\u003eEngine: M20A-FXS\u003c\/li\u003e\n\u003cli\u003eBody Style: 4-Door Sedan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e Factory OE rear diffuser must be removed or modified, or use \u003cstrong\u003eTOM’S Racing Diffuser PN: TMS-52159-TZE21-F\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Type:\u003c\/strong\u003e N1 EVO-R Cat-Back System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiping Diameter:\u003c\/strong\u003e 63.5 mm (2.5 in)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTip Diameter:\u003c\/strong\u003e 90 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePieces:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Style:\u003c\/strong\u003e N1 EVO-R muffler tips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiping Material:\u003c\/strong\u003e SUS304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Material:\u003c\/strong\u003e SUS304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Tip Material:\u003c\/strong\u003e SUS304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt-On:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDirect bolt-on fitment using factory mounting points.\u003c\/li\u003e\n\u003cli\u003eRear bumper diffuser must be modified or replaced for clearance (see TOM’S Racing Diffuser note).\u003c\/li\u003e\n\u003cli\u003eReuses OEM hangers; no cutting or welding required.\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended for proper fitment and sealing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eA’PEXi N1 EVO-R Exhaust assembly (2 pieces)\u003c\/li\u003e\n\u003cli\u003eGaskets and installation hardware\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Disclaimers\u003c\/h3\u003e\n\u003cp\u003eDesigned for the M20A-FXS engine platform. Intended for off-road or motorsport use in some regions—check local noise and emissions regulations before installation.\u003c\/p\u003e","brand":"APEXi","offers":[{"title":"Default Title","offer_id":47233816887544,"sku":"192KT002","price":899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3457\/9704\/files\/CHB-N1-R-1.jpg?v=1761249698"},{"product_id":"hks-toyota-gr-corolla-legamax-sports-exhaust-2023-toyota-gr-corolla","title":"HKS Toyota GR Corolla LEGAMAX Sports Catback Exhaust System - 2023+ Toyota GR Corolla","description":"\u003cp\u003eHKS offers the LEGAMAX Sports Exhaust for the GR Corolla, increasing performance while maintaining sound quality that HKS is known for. A worthy system for anyone who wants quality proven behind exceptional engineering.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eHKS provide an \"EXHAUST ERROR CANCELLER\" to prevent error codes when the valve is not in use, allowing for a worry-free experience. \u003cmeta charset=\"utf-8\"\u003e(PN: G89580-T76010-00)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"1042\" height=\"586\" class=\"responsive\" src=\"https:\/\/www.youtube.com\/embed\/4Zku7xekRuw\" title=\"TOYOTA GR COROLLA  4BA-GZEA14H  HKS LEGAMAX SPORTS\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve-less, Dual Tail Tip Layout:\u003c\/strong\u003e This exhaust system features a valve-less design and dual tail tip layout. The large-diameter titanium slash tailpipe creates a commanding rear view, leaving a strong impression compared to the stock exhaust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSturdy and Aesthetic Bracket Placement:\u003c\/strong\u003e Brackets connecting the left and right silencers are positioned at the center notch and feature the HKS logo, ensuring both visual appeal and structural integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes \"EXHAUST ERROR CANCELLER\"\u003c\/strong\u003e: HKS provide an \"EXHAUST ERROR CANCELLER\" to prevent error codes when the valve is not in use, allowing for a worry-free experience. \u003cmeta charset=\"utf-8\"\u003e(Use w\/ PN G89580-T76010-00)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth and Enjoyable Driving:\u003c\/strong\u003e Experience a comfortable and noise-free ride at low revs. The overall sound quality is robust, delivering a deep bass sound that intensifies as the revs increase, providing a powerful auditory experience\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound levels: 91\/90dB (idle: 71\/70dB)\u003c\/strong\u003e, stock is 88dB (idle: 70dB)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cmeta charset=\"utf-8\"\u003eAdvantages of installing HKS LEGAMAX Sports\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe two-piston layout has been meticulously designed to maintain low exhaust pressure across all engine speeds.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eIn the low and mid-range of the engine, where the valves close in the stock setup, you can revel in a robust sports sound without any unwanted muffled noise!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0732\/3457\/9704\/files\/31021_AT_009_9_8d762f084e.png?v=1780435240\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFlow rate\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eStock - Valve Closed: This setting secures the valve on the stock muffler in the closed position.\u003cbr\u003eStock - Valve Open: This setting fixes the valve in the open position on the stock muffler.\u003cbr\u003eHKS: LEGAMAX Sports 31021-AT009 (this product）\u003c\/p\u003e\n\u003cp\u003eThe graph above illustrates the relationship between flow rate and pressure, as measured on a flow bench. Lower pressure relative to flow rate indicates reduced resistance. At a flow rate of 200 L\/s, the respective pressures are as follows:\u003cbr\u003eStock - Valve Closed: 9.3 kPa\u003cbr\u003eStock - Valve Open: 5.1 kPa\u003cbr\u003e\u003cbr\u003eThese results demonstrate that compared to the closed valve and this product, pressure is reduced by 68%, even when the valve is open, a 41% reduction in pressure is achieved. This reduction is attributed to the pipe diameter, layout, and internal structure of the silencer, which collectively contribute to significantly lowering exhaust pressure\u003c\/p\u003e\n\u003ch3\u003eEXHAUST ERROR CANCELER\u003c\/h3\u003e\n\u003cp\u003eRegarding the genuine muffler's exhaust switch valve, the manufacturer's website defines its\u003cbr\u003epurpose as follows:\u003cbr\u003eAchieving low exhaust pressure at high engine speeds.\u003cbr\u003eDelivering a sporty sound when the valve is open.\u003cbr\u003eEnsuring comfortable cruising at low and medium engine speeds.\u003c\/p\u003e\n\u003cp\u003eThese functions are carried out through the motor-controlled operation of the valves.\u003cbr\u003eIf the valve is not used when installing this product, the following situations may occur:\u003cbr\u003e1. If the coupler is left disconnected: An error code will occur.\u003cbr\u003e2. If the entire motor for the valve is disconnected from the genuine muffler during idling condition: An error code will occur.\u003c\/p\u003e\n\u003cp\u003eIn both cases, the check engine lamp may not illuminate, but a record of disconnection or motor abnormality will be stored. To identify and diagnose these errors, it is necessary to use an OBD2 diagnostics machine.\u003c\/p\u003e\n\u003cp\u003eAs OBD vehicle inspections are set to commence, there is still a concern about the possibility of error codes being triggered.\u003c\/p\u003e\n\u003cp\u003eThe \"EXHAUST ERROR CANCELER\" is an electrical component designed to prevent errors related to the exhaust system. When connected, it ensures that no error codes are recorded, and no warning check engine lamps are illuminated. This part is designed based on the manufacturer's error countermeasure information, and its installation will not cause any issues with the vehicle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBy implementing measures to address error codes, which are a concern when the valve is not used, this product provides a stress-free and safe solution for your vehicle's exhaust system. It effectively prevents errors and maintains the smooth operation of your vehicle.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0732\/3457\/9704\/files\/31021_AT_009_10_8eb95ad605.png?v=1780435248\" alt=\"\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe provided graphs and figures are based on in-house measurements and are subject to variation depending on the specific vehicle and measuring equipment used. Actual results may differ based on individual vehicle characteristics and the type of measuring equipment utilized\u003c\/p\u003e\n\u003cp\u003eThe installation of the muffler has proven effective in enhancing power and torque in the mid-range RPMs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe output has increased by up to 4.0%, while torque has seen an improvement of up to 5.2%. This reflects the positive impact of the muffler on the vehicle's performance within that RPM range\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0732\/3457\/9704\/files\/hks31021-AT009_performancenumbers.png?v=1780435399\"\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":48785093132536,"sku":"hks31021-AT009","price":1899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3457\/9704\/files\/small_31021_AT_009_2_35d7557435.jpg?v=1780434743"}],"url":"https:\/\/driven.media\/collections\/2023-gr-corolla-exhaust-catback.oembed","provider":"Driven.Media","version":"1.0","type":"link"}