{"product_id":"cobb-usdm-accessport-v3-ap3-sub-004-2015-2021-subaru-wrx-sti","title":"COBB USDM Accessport V3 (AP3-SUB-004) – 2015–2021 Subaru WRX \/ STI","description":"\u003cp\u003eThe COBB Accessport V3 is the most proven, flexible, and user-friendly engine management upgrade for the 2015–2021 WRX and STI. Flash performance maps in minutes, monitor critical engine parameters like a full-feature gauge package, and log data for safe, consistent performance whether you’re running basic bolt-ons or a full custom build.\u003c\/p\u003e\n\u003cp\u003eThe V3 Accessport features a \u003cstrong\u003elarge, full-color high-resolution display\u003c\/strong\u003e that can show up to \u003cstrong\u003esix live gauges\u003c\/strong\u003e at once. It’s fully customizable with different layouts (street, race, dyno), interchangeable faceplates, and mounting options that work with thousands of common vehicle mounts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUSDM vehicles only.\u003c\/strong\u003e Please verify vehicle compatibility before purchase.\u003c\/p\u003e\n\u003ch3\u003eSubaru Accessport Features \u0026amp; Details\u003c\/h3\u003e\n\u003cp\u003eCLICK \u003ca href=\"https:\/\/cobbtuning.atlassian.net\/wiki\/spaces\/PRS\/pages\/36274402\/AP3-SUB-004+USDM+ADM\"\u003eHERE FOR MAP NOTES, DYNO CHARTS AND POWER GAINS\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0732\/3457\/9704\/files\/Screenshot_2026-01-27_at_10.19.00_AM.png?v=1769531310\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0732\/3457\/9704\/files\/Screenshot_2026-01-27_at_10.19.10_AM.png?v=1769531310\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0732\/3457\/9704\/files\/Screenshot_2026-01-27_at_10.19.00_AM.png?v=1769531310\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eAccessport Manager: Use your PC or Mac to manage maps, download recorded datalogs, or quickly update your Accessport. Download free from right \u003ca href=\"https:\/\/www.cobbtuning.com\/products\/software\/accessport-manager\"\u003eHERE.\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple ECU Flashing + Gauge Package:\u003c\/strong\u003e Flash maps and monitor live data in one device.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Full-Color Screen:\u003c\/strong\u003e Higher resolution display with up to six live parameters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable Layouts:\u003c\/strong\u003e Create street\/race\/dyno gauge clusters to match your use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMore Processing Power:\u003c\/strong\u003e Faster flashing with expanded memory and storage for maps\/logs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn-Vehicle Mountable:\u003c\/strong\u003e Designed to be mounted in the cabin with an on\/off switch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchangeable Faceplates:\u003c\/strong\u003e Change the look with multiple bezel\/faceplate options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports OTS Maps or Custom Tuning:\u003c\/strong\u003e Follow COBB staged upgrades or tune for any mod level.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy We Like It\u003c\/h3\u003e\n\u003cp\u003eIf you own a 15–21 WRX or STI, the Accessport is the foundation of a properly managed setup. It’s not just about peak power it’s about \u003cstrong\u003econtrol, monitoring, and consistency\u003c\/strong\u003e. Whether you stay on COBB OTS maps or work with a pro tuner, this is the tool that makes it all possible.\u003c\/p\u003e\n\u003ch3\u003eSubaru-Specific Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRealtime Tuning:\u003c\/strong\u003e Make changes while the engine is running to speed up the tuning process and adjust features like Launch Control, Flat Foot Shift, and map switching (availability varies by model).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjust Idle:\u003c\/strong\u003e Change idle speed on the fly to support lightweight flywheels or upgraded cams (separate A\/C ON and A\/C OFF settings).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjust Timing (STI Only):\u003c\/strong\u003e Globally reduce timing to compensate for poor pump fuel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat Foot Shifting:\u003c\/strong\u003e Keep the throttle down during shifts to maintain boost with a configurable RPM setting.\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eNot available for WRX CVT.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaunch Control:\u003c\/strong\u003e Set an RPM threshold for performance launches and boost building.\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eNot available for WRX CVT.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaunch Mode (Forester XT \u0026amp; WRX CVT Only):\u003c\/strong\u003e Manipulates factory torque limiters to build boost for launching (where supported), with driver-controlled activation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEmissions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e50-State Legal.\u003c\/strong\u003e This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer’s application guide because it has a California Air Resources Board (CARB) Executive Order (EO) number:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eD-660-16\u003c\/li\u003e\n\u003cli\u003eD-660-43\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarning:\u003c\/strong\u003e Installing this Accessport over anything other than OEM or COBB software may result in ECU\/TCU failure. Contact COBB Support if you have questions about your vehicle’s current calibration.\u003c\/li\u003e\n\u003cli\u003eUse the correct map for your exact vehicle, fuel, and modifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCOBB Accessport V3 (AP3-SUB-004)\u003c\/li\u003e\n\u003cli\u003eCOBB OTS maps (pre-loaded, per COBB package contents)\u003c\/li\u003e\n\u003cli\u003eRequired cables and mounting components (per COBB kit contents)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Disclaimers\u003c\/h3\u003e\n\u003cp\u003eDesigned for USDM 2015–2021 WRX\/STI models as listed. Always confirm your ECU has OEM or COBB software before installation. Emissions legality depends on using the product per COBB’s application guide and your local regulations.\u003c\/p\u003e","brand":"COBB Tuning","offers":[{"title":"Default Title","offer_id":47932284928248,"sku":"COBBAP3-SUB-004","price":1750.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3457\/9704\/files\/accessport_v3_subaru.jpg?v=1769531490","url":"https:\/\/driven.media\/products\/cobb-usdm-accessport-v3-ap3-sub-004-2015-2021-subaru-wrx-sti","provider":"Driven.Media","version":"1.0","type":"link"}