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.
Subaru STI 2004-2007 Engine Parts
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Up to $37.20 off
In StockTurboXS High Performance Manual Boost Controller - Universal | BC-HPBC
Regular price $139.00Sale price $139.00 Regular priceUnit price per$176.20 -
Up to $10.95 off
In StockTurbo XS Blow Off Valve Type-H Adapter Kit WRX 2002-2007 / STI 2004-2019 | H-WRXG4
Only 8 leftRegular price $53.00Sale price $53.00 Regular priceUnit price per$63.95 -
Up to $431.93 offTurbo XS Catted Titanium Muffler Turboback Exhaust WRX/STI 2002-2007 | WS02-TBE-TI
Regular price $1,223.00Sale price $1,223.00 Regular priceUnit price per$1,654.93 -
Turbo XS T Clamp Stainless Steel 104-112mm/4.1-4.5in - Universal | T104-112
Regular price $15.00Sale price $15.00 Regular priceUnit price per$15.00 -
Up to $12.26 off
In StockTurbo XS Radiator Stay w/ No Hood Prop
Fits: 02-07 WRX/STI
Only 3 leftRegular price From $53.00Sale price From $53.00 Regular priceUnit price per$65.26 -
In StockTurbo XS Aluminium Weld-On Type H Bov Flange - Universal | H-AL
Only 17 leftRegular price $16.00Sale price $16.00 Regular priceUnit price per$16.00 -
Up to $161.06 off
In StockTurboXS RFL TI Axleback Exhaust WRX/STI 2002-2007 | WS02-RMA-TI
Only 9 leftRegular price $438.00Sale price $438.00 Regular priceUnit price per$599.06 -
In StockTurbo XS Weld-on Mild Steel Type H Bov Adapter - Universal | H-MS
Regular price $11.00Sale price $11.00 Regular priceUnit price per$11.00 -
Up to $43.82 offTurbo XS Replacement Hose and Clamp Set Black WRX/STI 2002-2007 | ICHOSE-01
Regular price $165.00Sale price $165.00 Regular priceUnit price per$208.82 -
Up to $160 off
In StockTurbo XS FMIC Core Only WRX/STI 2002-2007 | WS-FMIC-COREONLY
Only 14 leftRegular price $500.00Sale price $500.00 Regular priceUnit price per$660.00 -
In StockWalbro 400LPH Fuel Pump - Universal
Regular price $124.00Sale price $124.00 Regular priceUnit price per$124.00 -
Walbro Fuel Pump Kit Only WRX/STI 2002-2007
Regular price $19.00Sale price $19.00 Regular priceUnit price per$0.00 -
Walbro Universal 400lph In-Tank Installation Kit - E85 Version
Regular price $30.00Sale price $30.00 Regular priceUnit price per$0.00 -
Walbro Fuel Filter + Wiring Harness Installation Kit for F90000267 E85 Pump- Universal
Regular price $22.80Sale price $22.80 Regular priceUnit price per$0.00 -
Walbro Installation Kit for F90000267 E85 Fuel Pump - Universal
Regular price $24.00Sale price $24.00 Regular priceUnit price per$0.00 -
Up to $19.88 offTurbosmart FPR-800 Adjustable Fuel Pressure Regulator - Universal
Regular price From $178.95Sale price From $178.95 Regular priceUnit price per$184.49
