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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Blouch Performance WRX / STi 2002-2007 18G-XT-R Turbocharger Turbo | SUB-TD05H-18G-XT-R
Regular price From $1,550.00Sale price From $1,550.00 Regular priceUnit price per$0.00 -
In StockHKS 3 Layer Dry 150mm Green Replacement Filter Element - Universal | 70001-AK021
Regular price $25.00Sale price $25.00 Regular priceUnit price per$25.00 -
In StockHKS Sport Cat Back Exhaust WRX/STI 2002-2007 | 31013-BF001
Only 16 leftRegular price $890.00Sale price $890.00 Regular priceUnit price per$890.00 -
In StockHKS Turbo Timer Harness WRX/STI 2002-2007 | 4103-RF002
Only 18 leftRegular price $20.00Sale price $20.00 Regular priceUnit price per$20.00 -
GSC P-D Ovate Beehive Valve Spring - Universal
Regular price $12.44Sale price $12.44 Regular priceUnit price per$0.00 -
Megan Racing OE-RS Cat Back Exhaust WRX/STI 2002-2007 | MR-CBS-#A-OE
Regular price $495.00Sale price $495.00 Regular priceUnit price per$495.00 -
Megan Racing Turbo Type Cat Back Exhaust WRX/STI 2002-2007 | MR-CBS-A-V2
Regular price $495.00Sale price $495.00 Regular priceUnit price per$495.00 -
Up to $0.75 off
In StockRadium Engineering 9/16-18 O-Ring Port Plug - Universal
Only 14 leftRegular price $14.20Sale price $14.20 Regular priceUnit price per$14.95 -
Up to $0.25 off
In StockRadium Engineering O-Ring 5-Pack 6AN Viton - Universal
Only 1 leftRegular price $4.70Sale price $4.70 Regular priceUnit price per$4.95 -
Up to $0.25 offRadium Engineering O-Ring 5-Pack 10AN Viton - Universal
Regular price $4.70Sale price $4.70 Regular priceUnit price per$4.95 -
Up to $0.25 off
In StockRadium Engineering O-Ring 5-Pack 8AN Viton - Universal
Only 4 leftRegular price $4.70Sale price $4.70 Regular priceUnit price per$4.95 -
Up to $1 off
In StockRadium Engineering Fuel Surge Tank Mtg Bracket Wall/Floor Mount - Universal
Only 6 leftRegular price $18.95Sale price $18.95 Regular priceUnit price per$19.95 -
Up to $1.25 off
In StockRadium Engineering Fuel Surge Tank O-Ring Service Kit - Universal
Only 6 leftRegular price $23.70Sale price $23.70 Regular priceUnit price per$24.95 -
Up to $1.50 offRadium Engineering 10 Micron Cellulose Fuel Filter - Universal
Regular price $28.45Sale price $28.45 Regular priceUnit price per$29.95 -
Up to $3.25 off
In StockRadium Engineering 100 Micron Stainless Fuel Filter - Universal
Only 4 leftRegular price $61.70Sale price $61.70 Regular priceUnit price per$64.95 -
Up to $1.50 offRadium Engineering Radiator Cap Type-A 1.1 Bar - Universal
Regular price $28.45Sale price $28.45 Regular priceUnit price per$29.95
