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 $0.54 off
In StockTorque Solution Oil Drain Flange: -10AN for Garrett GT/GTX and BW EFR - Universal
Only 6 leftRegular price $25.00Sale price $25.00 Regular priceUnit price per$25.54 -
Up to $174.99 offTorque Solution Engine / Transmission / Pitch Mount Set Blue WRX 2002-2014 / STI 2004-2019
Regular price From $547.00Sale price From $547.00 Regular priceUnit price per$699.99 -
Up to $4.21 offTorque Solution 02-07 WRX / 04-21 STI HKS Blow Off Valve Adapter | TS-SU-HKS
Regular price $38.00Sale price $38.00 Regular priceUnit price per$42.21 -
Up to $98.98 off
In StockTurboXS RBV Blow Off Valve Kit WRX 2002-2007 / STI 2004-2019 | WS-RBV
Only 9 leftRegular price $226.00Sale price $226.00 Regular priceUnit price per$324.98 -
Up to $40.47 offTurboXS Cat Back Adapter WRX/STI 2002-2007 | WS-CBAP
Regular price $154.00Sale price $154.00 Regular priceUnit price per$194.47 -
Up to $35.20 off
In StockTurboXS High Performance Manual Boost Controller - Universal | BC-HPBC
Regular price $141.00Sale price $141.00 Regular priceUnit price per$176.20 -
Up to $1.18 offTurboXS T-Bolt Hose Clamp - Universal | TC-5561
Regular price From $2.76Sale price From $2.76 Regular priceUnit price per$3.94 -
Up to $10.95 off
In StockTurbo XS Blow Off Valve Type-H Adapter Kit WRX 2002-2007 / STI 2004-2019 | H-WRXG4
Only 6 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 -
Up to $217.16 off
In StockTurbo XS 3inch Cat Back Exhaust Polished Tips WRX/STI 2002-2007 | WS02-CBE
Regular price $616.00Sale price $616.00 Regular priceUnit price per$833.16 -
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 $16.26 off
In StockTurbo XS Radiator Stay w/ No Hood Prop
Fits: 02-07 WRX/STI
Only 5 leftRegular price From $49.00Sale price From $49.00 Regular priceUnit price per$65.26 -
Up to $217.16 off
In StockTurbo XS Cat Back Exhaust Polished Tips WRX/STI 2002-2007 | WS02-CBE
Regular price $616.00Sale price $616.00 Regular priceUnit price per$833.16 -
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 $183.06 off
In StockTurboXS RFL TI Axleback Exhaust WRX/STI 2002-2007 | WS02-RMA-TI
Only 12 leftRegular price $416.00Sale price $416.00 Regular priceUnit price per$599.06 -
In StockTurbo XS Weld-on Mild Steel Type H Bov Adapter - Universal | H-MS
Regular price $16.00Sale price $16.00 Regular priceUnit price per$16.00
