APEXi RS EVO Extreme Performance Catback Exhaust - 2022+ Subaru BRZ / Toyota GR86

The A'PEXi RS Evolution Extreme Muffler brings the brand’s race-proven performance and refined sound design to the latest GR86 and BRZ platforms. Building upon the original RS Evolution system, this version adds full titanium tips and a hybrid muffler construction that combines A'PEXi’s signature N1 free-flowing performance with the smooth tone of the Hybrid Megaphone Evolution system.

Key Features

• Premium TIG-Welded SUS304 Stainless Steel: Ensures durability, corrosion resistance, and precise OEM-level fitment.
• Hybrid Sound Engineering: Produces a deep, refined exhaust tone without excessive cabin drone.
• Patented Megaphone Piping Design: Promotes a swirling exhaust gas effect to enhance torque and throttle response across the powerband.
• Full Titanium Tips: Dual-wall rolled and angle-cut tips offer a distinct motorsport-inspired finish.
• Direct Bolt-On Fit: Designed specifically for the ZD8 / ZN8 chassis; no cutting or welding required.

A'PEXi RS Evo Extreme Muffler for 2022+ Toyota GR86 / Subaru BRZ

Why We Like It

The RS Evolution Extreme Muffler perfectly balances aggressive performance with OEM-like refinement. The system gives the FA24D engine a clean, resonant tone and crisp throttle response while maintaining a composed highway character. It’s ideal for enthusiasts who value both sound quality and craftsmanship.

Specifications

• Exhaust Type: RS Evolution Extreme Muffler
• Piping Diameter: 60mm
• Tip Diameter: 123mm x 2
• Pieces: 2
• Exhaust Tip Style: Titanium dual-wall rolled, angle-cut (riveted)
• Piping Material: SUS304 Stainless Steel
• Muffler Material: SUS304 Stainless Steel
• Muffler Tip Material: Titanium
• Bolt-On: Yes

Installation Notes

• Direct bolt-on to factory midpipe; no cutting or modification required.
• Includes new gaskets for leak-free sealing:
• Factory OE Donut Gasket x1
• APEXi 3901-1660 Gasket x1
• Reuses factory hangers for easy alignment.
• Professional installation recommended for optimal fitment.

What’s in the Box

• A'PEXi RS Evolution Extreme Muffler assembly (left and right sections)
• Gaskets (Factory OE Donut + 3901-1660)
• Mounting hardware
• Installation instructions

Compatibility & Disclaimers

Designed for naturally aspirated FA24D-powered GR86 and BRZ models. Intended for off-road or motorsport use in some regions. Check local laws regarding noise and emissions compliance before installation.