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Mishimoto Thermostatic 10 Row Oil Cooler Kit - Universal
Regular price $411.95Regular priceUnit price per$472.50Sale price $411.95Sale -
Killer B Motorsport 02-14 WRX / 04-21 STI 4-1 Holy Header Exhaust Manifold DIY Rotated | HH-DIY
Regular price $1,429.00Regular priceUnit price per$1,569.00Sale price $1,429.00Sale -
Cusco Turbo Heat Shield Subaru WRX/STI 2002-2007
Regular price $73.88Regular priceUnit price per$91.00Sale price $73.88Sale -
Cusco Exhaust Hanger 15mm Subaru WRX/STI 2002-2007
Regular price $9.88Regular priceUnit price per$12.00Sale price $9.88Sale -
Cusco Transmission & Differential Cooler Kit 9 Row - Universal
Regular price $772.88Regular priceUnit price per$960.00Sale price $772.88Sale -
AEM Short Ram Intake Subaru WRX/STI 2002-2007 (22-474B
Regular price From $249.99Regular priceUnit price per$249.99Sale price From $249.99 -
AEM Cold Air Intake Subaru WRX/STI 2002-2005 (21-474B
Regular price From $349.99Regular priceUnit price per$349.99Sale price From $349.99 -
AEM 2.75 inch Dryflow Air Filter with 9 inch Element - Universal (21-2029DK
Regular price $79.99Regular priceUnit price per$79.99Sale price $79.99 -
AEM Coolant Temperature Sensor Kit w/3/8 inch Female Weld-In Aluminum Bung - Universal (30-2011
Regular price $46.07Regular priceUnit price per$51.19Sale price $46.07Sale -
AEM Water/Methanol Injection Filter - Universal (30-3003
Regular price $42.26Regular priceUnit price per$46.96Sale price $42.26Sale -
AEM Infinity-10 Stand-Alone Programmable Engine Management System EMS - Universal (30-7100
Regular price $2,908.18Regular priceUnit price per$4,039.14Sale price $2,908.18Sale -
AEM Infinity-8 Stand-Alone Programmable Engine Management System EMS - Universal (30-7101
Regular price $2,556.02Regular priceUnit price per$3,550.03Sale price $2,556.02Sale -
AEM V2 5 Gal Tank Kit w/ Conductive Fluid Level Sensor - Universal (30-3320
Regular price $200.95Regular priceUnit price per$224.00Sale price $200.95Sale -
AEM V2 Water/Methanol Injection Kit - NO TANK (Internal Map - Universal (30-3302
Regular price $496.95Regular priceUnit price per$553.00Sale price $496.95Sale -
AEM V2 5 Gallon Water/Methanol Injection Kit (Internal Map - Universal (30-3301
Regular price $614.95Regular priceUnit price per$684.00Sale price $614.95Sale -
AEM 400LPH High Pressure Fuel Pump - Universal (50-1005
Regular price $174.95Regular priceUnit price per$195.00Sale price $174.95Sale
Optimize your Subaru STI 2004-2007 engine's performance with a comprehensive range of top-quality aftermarket parts from industry-leading brands. Elevate the power and efficiency of your vehicle with ETS, HKS, Perrin, Mishimoto, AMS, Grimmspeed, Cobb, Remark, PLM, Turbosmart, IAG Performance, and more. Enhance airflow and filtration through AIR INTAKE DUCTS and COLD AIR INTAKES, while maintaining engine cleanliness with AIR OIL SEPARATORS and CATCH CANS. Experience impeccable control and responsiveness with BLOW OFF VALVES and BOOST CONTROL SOLENOID COVERS, complemented by the reliability of ENGINE MOUNTS and meticulously crafted ENGINE MANAGEMENT HARNESSES. Simplify maintenance and improve overall performance with DIPSTICKS and explore comprehensive ENGINE PACKAGE DEALS for a holistic approach to upgrading your Subaru WRX's engine. Unleash the full potential of your vehicle through precision-engineered components designed to deliver both power and durability, all meticulously designed to give your Subaru STI the edge on the road or track.