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 $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 $29.29 off
In StockCometic StreetPro Gasket Kit WRX/STI 2002-2007
Only 16 leftRegular price From $295.54Sale price From $295.54 Regular priceUnit price per$317.79 -
aFe Takeda Retain Series Short Ram Intake WRX/STI 2002-2007 | TR-4302P
Regular price $346.00Sale price $346.00 Regular priceUnit price per$346.00 -
aFe Pro Dry S Cleaning Kits - Universal | 90-59999
Regular price $22.33Sale price $22.33 Regular priceUnit price per$22.33 -
Tial 41mm External Wastegate - Universal
Regular price $353.00Sale price $353.00 Regular priceUnit price per$0.00 -
Tial 46mm External Wastegate - Universal
Regular price $520.00Sale price $520.00 Regular priceUnit price per$0.00 -
Tial 60mm External Wastegate - Universal
Regular price $599.00Sale price $599.00 Regular priceUnit price per$0.00 -
Up to $26.18 offSnow Performance Safe Injection Wastegate Solenoid- Universal
Regular price $65.47Sale price $65.47 Regular priceUnit price per$91.65 -
Snow Performance Safe Injection Boost Controller Bypass Relay | with Harness - Universal
Regular price $29.99Sale price $29.99 Regular priceUnit price per$0.00 -
Royal Purple Max-Tuff Synthetic Assembly Lubricant | 8oz - Universal
Regular price $16.19Sale price $16.19 Regular priceUnit price per$0.00 -
HOA 3-Port Boost Control Solenoid - Universal
Regular price $94.99Sale price $94.99 Regular priceUnit price per$0.00 -
Up to $56 off
In StockCSF Racing Radiator w/ Built-in Oil Cooler and Sandwich Plate WRX/STI 2002-2007
Only 9 leftRegular price $699.00Sale price $699.00 Regular priceUnit price per$755.00 -
Up to $89 off
In StockTomei Expreme 06-14 WRX / 04-21 STI Twin Scroll Exhaust Manifold Large Piping | TB6010-SB01A
Only 5 leftRegular price $801.00Sale price $801.00 Regular priceUnit price per$890.00 -
Process West Cold Air Intake 72mm Big MAF Subaru Impreza WRX 2002-2007 / WRX STI 2004-2007 | PWCAI05
Regular price $404.00Sale price $404.00 Regular priceUnit price per$404.00 -
Process West Cold Air Intake Subaru Impreza WRX 2002-2007 / WRX STI 2004-2007 / Forester XT 2004-2007 | PWCAI03
Regular price $330.10Sale price $330.10 Regular priceUnit price per$330.10
