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 $15 off
In StockRadium Engineering Air Oil Separator - Universal Kit
Only 2 leftRegular price $284.95Sale price $284.95 Regular priceUnit price per$299.95 -
Up to $21.50 offRadium Engineering Single Walbro 255 Fuel Surge Tank | Pump Not Incl - Universal
Regular price $408.45Sale price $408.45 Regular priceUnit price per$429.95 -
Up to $31.50 off
In StockRadium Engineering Fuel Hanger | Pumps NOT Included Walbro GSS342 WRX/STI 2002-2007
Only 4 leftRegular price $598.45Sale price $598.45 Regular priceUnit price per$629.95 -
Up to $22.50 offRadium Engineering Air Oil Separator Kit WRX/STI 2002-2007
Regular price $427.45Sale price $427.45 Regular priceUnit price per$449.95 -
Up to $41.51 offRadium Engineering Fuel Hanger | Dual Pumps Inc AEM 50-1200 E85 WRX/STI 2002-2007
Regular price $788.44Sale price $788.44 Regular priceUnit price per$829.95 -
Up to $7.25 off
In StockRadium Engineering 4.0Bar Bosch Fuel Pressure Regulator - Universal
Only 6 leftRegular price $137.70Sale price $137.70 Regular priceUnit price per$144.95 -
Up to $3.50 off
In StockRadium Engineering Fuel Filter 1pc Clamp 60mm Heat Exchanger - Universal
Regular price $66.45Sale price $66.45 Regular priceUnit price per$69.95 -
Up to $34.50 offRadium Engineering Fuel Hanger | Single Pump Inc Walbro GSS342 WRX/STI 2002-2007
Regular price $655.45Sale price $655.45 Regular priceUnit price per$689.95 -
Up to $6 offRadium Engineering Fuel Rail In Line Pulse Damper 10AN - Universal
Regular price $113.95Sale price $113.95 Regular priceUnit price per$119.95 -
Up to $6 offRadium Engineering Fuel Rail In Line Pulse Damper 8AN - Universal
Regular price $113.95Sale price $113.95 Regular priceUnit price per$119.95 -
Up to $6.50 offRadium Engineering Fuel Rail In Line Extra Range Pulse Damper 6AN - Universal
Regular price $123.45Sale price $123.45 Regular priceUnit price per$129.95 -
Up to $6.50 offRadium Engineering Fuel Rail In Line Extra Range Pulse Damper 8AN - Universal
Regular price $123.45Sale price $123.45 Regular priceUnit price per$129.95 -
Up to $4.49 off
In StockVibrant Turbo Gasket for T3/GT30R Inlet Flange - Universal
Only 10 leftRegular price $12.50Sale price $12.50 Regular priceUnit price per$16.99 -
Up to $99 off
In StockVibrant Air to Air Intercooler with End Tanks 22in Wx9in Hx3.25in thick 2.5in in/out - Universal
Only 1 leftRegular price $386.99Sale price $386.99 Regular priceUnit price per$485.99 -
Up to $72 off
In StockVibrant Air to Air Intercooler with End Tanks 18in Wx6.5in Hx3.25in thick 2.5in in/out - Universal
Only 3 leftRegular price $297.99Sale price $297.99 Regular priceUnit price per$369.99 -
Up to $7 off
In StockVibrant SS Accuseal Exhaust Seal Clamp - Universal
Regular price From $15.79Sale price From $15.79 Regular priceUnit price per$20.99
