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 $43.82 off
In StockTurbo XS Replacement Hose and Clamp Set Black WRX/STI 2002-2007 | ICHOSE-01
Only 1 leftRegular price $165.00Sale price $165.00 Regular priceUnit price per$208.82 -
Up to $205 off
In StockTurbo XS FMIC Core Only WRX/STI 2002-2007 | WS-FMIC-COREONLY
Only 14 leftRegular price $455.00Sale price $455.00 Regular priceUnit price per$660.00 -
In StockWalbro 400LPH Fuel Pump - Universal
Regular price $122.00Sale price $122.00 Regular priceUnit price per$122.00 -
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 -
In StockWalbro GSS342G3 Intank Fuel Pump 255LPH High Pressure - Universal
Regular price $76.00Sale price $76.00 Regular priceUnit price per$76.00 -
Walbro GSS340G3 Intank Fuel Pump 255LPH High Pressure - Universal
Regular price $55.99Sale price $55.99 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 -
Up to $1.70 offTurbosmart Rocket Launcher Switch - Universal
Regular price $15.29Sale price $15.29 Regular priceUnit price per$16.99 -
Up to $51 off
In StockTurboSmart E-Boost Street Electronic Boost Controller - Universal
Only 5 leftRegular price $458.99Sale price $458.99 Regular priceUnit price per$509.99 -
Up to $4.40 off
In StockTurbosmart WG38/40/45/IWG 11PSI Middle Spring Brown/Red - Universal
Only 2 leftRegular price $39.59Sale price $39.59 Regular priceUnit price per$43.99 -
Up to $45.50 off
In StockTurbosmart Black Dual Port Blow Off Valve WRX 2002-2007 / STI 2004-21 / Forester XT 2004-2008
Only 7 leftRegular price $409.49Sale price $409.49 Regular priceUnit price per$454.99 -
Up to $43.70 offTurbosmart Blue Plumb Back Blow Off Valve | 0205-1215
Fits: 02-07 WRX, 04-21 STI
Regular price $393.29Sale price $393.29 Regular priceUnit price per$436.99 -
Up to $43.70 offTurbosmart Black Plumb Back Blow Off Valve | 0205-1216
Fits: 02-07 WRX, 04-21 STI
Regular price $393.29Sale price $393.29 Regular priceUnit price per$436.99
