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Turbosmart eB2 4 Port Boost Control Solenoid - Universal
Regular price $236.00Regular priceUnit price per$263.00Sale price $236.00Sale -
Turbosmart Comp-Gate40 External Wastegate 14PSI Red - Universal
Regular price $582.00Regular priceUnit price per$647.00Sale price $582.00Sale -
GrimmSpeed Cold Air Intake - Red Subaru WRX 2002-2007 / STI 2004-2007 / Forester XT 2004-2008 | 060075
Regular price $572.00Regular priceUnit price per$572.00Sale price $572.00 -
Grimmspeed Top Mount Intercooler Splitter - Subaru WRX/STI 2006-2007 | 093077
Regular price $386.00Regular priceUnit price per$386.00Sale price $386.00 -
Injector Dynamics Denso USCAR PnP Injector Adapter - Universal
Regular price $26.00Regular priceUnit price per$26.00Sale price $26.00 -
Invidia N1 Racing Stainless Steel Cat Back Exhaust Subaru WRX/STI 2002-2007 | HS02SW1GTR
Regular price $1,140.00Regular priceUnit price per$1,628.00Sale price $1,140.00Sale -
Invidia Q300 Cat Back Exhaust Subaru WRX/STI 2002-2007 | HS02SW1G3S
Regular price $1,366.00Regular priceUnit price per$1,951.00Sale price $1,366.00Sale -
Perrin EBCS Pro Electronic Boost Control Solenoid Subaru WRX/STI 2002-2007 (ASM-TAC-729)
Regular price $184.00Regular priceUnit price per$318.00Sale price $184.00Sale -
Mishimoto Carbon Fiber Oil Catch Can - Universal
Regular price $232.00Regular priceUnit price per$307.00Sale price $232.00Sale -
Mishimoto 19 Row Oil Cooler - Universal
Regular price $313.00Regular priceUnit price per$415.00Sale price $313.00Sale -
Mishimoto Straight Coupler 2.5-in D X 3-in L - Universal
Regular price From $17.00Regular priceUnit price per$22.00Sale price From $17.00Sale -
Mishimoto 02-07 WRX / 04-21 STI / 04-08 FXT Turbo Inlet Hose Red | MMHOSE-SUB-IHRD
Regular price $394.00Regular priceUnit price per$649.00Sale price $394.00Sale -
Mishimoto Black Oil Catch Can - Universal
Regular price $182.00Regular priceUnit price per$248.00Sale price $182.00Sale -
Forced Performance Blue HTZ Turbocharger - Subaru Models (inc. 2002-2007 WRX / 2004+ STI) | 2025050
Regular price $2,293.00Regular priceUnit price per$2,293.00Sale price $2,293.00 -
GrimmSpeed 02-07 WRX/STI Post MAF Hose Kit Black | 125009
Regular price $132.00Regular priceUnit price per$132.00Sale price $132.00 -
GrimmSpeed 02-14 WRX / 04-21 STI / 05-12 LGT / 04-13 FXT Phenolic Thermal Spacer 3mm | 018001
Regular price $82.00Regular priceUnit price per$82.00Sale price $82.00
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.