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Vibrant 3-Bolt High Temperature Exhaust Gasket - Universal
Regular price From $5.75Regular priceUnit price per$7.79Sale price From $5.75Sale -
Kartboy Battery Tie Down Universal | KB-100-BT
Regular price $45.00Regular priceUnit price per$45.00Sale price $45.00 -
Gates 02-14 WRX/ 04-21 STI Micro-V Belt Alternator & Power Steering Belt | K050344
Regular price $18.88Regular priceUnit price per$21.04Sale price $18.88Sale -
Perrin Neon Yellow Air Oil Separator 2008-2014 WRX / 2002-2020 STI with Top Mount Intercooler (PSP-ENG-606NY)
Regular price $394.88Regular priceUnit price per$572.00Sale price $394.88Sale -
Perrin 02-14 WRX / 04-21 STI / 05-09 Legacy / 04-13 Forester Lightened Crank Pulley Black | PSP-ENG-100BK
Regular price $77.88Regular priceUnit price per$135.00Sale price $77.88Sale -
Turbo XS 02-07 WRX / 04-21 STI RFL Series Hybrid Blow Off Valve | TXS-WS-HYB
Regular price $226.88Regular priceUnit price per$324.98Sale price $226.88Sale -
Walbro 450lph In-Tank Fuel Pump High Pressure Version (F90000274) - Universal
Regular price From $116.88Regular priceUnit price per$0.00Sale price From $116.88 -
Walbro 255LPH Fuel Pump + Kit Subaru WRX/STI 2002-2007
Regular price $99.00Regular priceUnit price per$0.00Sale price $99.00 -
GrimmSpeed Lower Uppipe Gasket | 026001
Regular price $13.00Regular priceUnit price per$13.00Sale price $13.00 -
Perrin 02-07 Subaru WRX/STI Front Mount Intercooler Core | PSP-ITR-400-1BK
Regular price $766.88Regular priceUnit price per$1,111.00Sale price $766.88Sale -
Perrin Oil Cap Round Style Black Most Subaru Models | PSP-ENG-711BK
Regular price $47.88Regular priceUnit price per$82.00Sale price $47.88Sale -
Perrin Black Air Oil Separator Subaru 2008-2014 WRX / 2002-2020 STI with Top Mount Intercooler (PSP-ENG-606BK)
Regular price $394.88Regular priceUnit price per$572.00Sale price $394.88Sale -
Mishimoto Carbon Fiber Radiator Cap - Universal
Regular price $37.95Regular priceUnit price per$48.21Sale price $37.95Sale -
Mishimoto Transition Coupler 2-in to 2.5-in - Universal
Regular price From $9.95Regular priceUnit price per$12.05Sale price From $9.95Sale -
Grimmspeed 3-Port Electronic Boost Control Solenoid - SUBARU 06-07 WRX, 04-07 STI, 04-08 FXT | 057002
Regular price $129.00Regular priceUnit price per$129.00Sale price $129.00 -
Grimmspeed 02-07 WRX / 04-21 STI / 04-08 FXT Top Mount Intercooler Y-Pipe Kit Black | 090096
Regular price $169.00Regular priceUnit price per$169.00Sale price $169.00
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.