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 $3 off
In StockTorque Solution 45 Degree Silicone Elbow - Universal
Only 6 leftRegular price From $24.00Sale price From $24.00 Regular priceUnit price per$25.00 -
Up to $4.43 offTorque Solution Tial BOV Modular Weld-On Flange Kit Aluminum - Universal
Regular price $40.00Sale price $40.00 Regular priceUnit price per$44.43 -
Up to $4.43 offTorque Solution Tial BOV 1.5-inch Modular Clamp on Adapter - Universal
Regular price $40.00Sale price $40.00 Regular priceUnit price per$44.43 -
Up to $4.43 offTorque Solution Tial BOV 1.0in Modular Clamp on Adapter - Universal
Regular price $40.00Sale price $40.00 Regular priceUnit price per$44.43 -
Up to $4.43 offTorque Solution Tial 1.25in Modular Clamp on Adapter - Universal
Regular price $40.00Sale price $40.00 Regular priceUnit price per$44.43 -
Up to $4.99 off
In StockTorque Solution Boost Leak Tester Billet - Universal
Only 10 leftRegular price $45.00Sale price $45.00 Regular priceUnit price per$49.99 -
Up to $10.21 off
In StockTorque Solution Boost Leak Tester - Universal
Only 5 leftRegular price From $58.00Sale price From $58.00 Regular priceUnit price per$66.65 -
Up to $1.32 offTorque Solution Throttle Body Hose Coupler WRX 2002-2007 / STI 2004-2019
Regular price $32.00Sale price $32.00 Regular priceUnit price per$33.32 -
Up to $6.54 offTorque Solution 02-07 WRX / 04-21 STI Greddy Blow Off Valve Adapter w/ Recirculation Adapter | TS-SU-GRDA
Regular price $49.00Sale price $49.00 Regular priceUnit price per$55.54 -
In StockTorque Solution 15MM Exhaust Mount Standard Length WRX/STI 2002-2007
Only 13 leftRegular price $15.00Sale price $15.00 Regular priceUnit price per$15.00 -
In StockTorque Solution 15MM Exhaust Mount Long WRX/STI 2002-2007
Only 3 leftRegular price $19.00Sale price $19.00 Regular priceUnit price per$19.00 -
Up to $4.21 off
In StockTorque Solution Tial Black Blow Off Valve Adapter WRX 2002-2007 / STI 2004-2019
Only 1 leftRegular price $38.00Sale price $38.00 Regular priceUnit price per$42.21 -
Up to $4.43 off
In StockTorque Solution Stainless Steel Denso MAF Flange | For 3in Piping WRX/STI 2002-2007
Only 4 leftRegular price $40.00Sale price $40.00 Regular priceUnit price per$44.43 -
Torque Solution Battery Terminals Aluminum M6 Bolt to SAE - Universal
Regular price $23.00Sale price $23.00 Regular priceUnit price per$23.00 -
Up to $6.21 off
In StockTorque Solution Exhaust Mount Kit 15mm WRX/STI 2002-2007
Only 5 leftRegular price $46.00Sale price $46.00 Regular priceUnit price per$52.21 -
Torque Solution Black Top Mount Intercooler WRX 2002-2007 / STI 2004-2019
Regular price $644.44Sale price $644.44 Regular priceUnit price per$644.44
