Optimize your Subaru STI 2008-2014 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.
2008-2014 Subaru WRX STI Engine Parts
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Up to $0.25 offRadium Engineering O-Ring 5-Pack 8AN Viton - Universal
Regular price $4.70Sale price $4.70 Regular priceUnit price per$4.95 -
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In StockRadium Engineering Fuel Surge Tank Mtg Bracket Wall/Floor Mount - Universal
Only 8 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 -
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In StockRadium Engineering 100 Micron Stainless Fuel Filter - Universal
Only 2 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 -
Radium Engineering Fuel Surge Tank Wiring Harness Dual Walbro Internal Pump - Universal
Regular price $80.70Sale price $80.70 Regular priceUnit price per$59.95 -
Up to $1.50 offRadium Engineering Fuel Surge Tank Mtg Bracket Frame/Rail Mount - Universal
Regular price $28.45Sale price $28.45 Regular priceUnit price per$29.95 -
Up to $10 offRadium Engineering Pumpless Fuel Surge Tank W/ Single Pickup Tube - Universal
Regular price $189.95Sale price $189.95 Regular priceUnit price per$199.95 -
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In StockRadium Engineering 3.0Bar Bosch Fuel Pressure Regulator - Universal
Only 7 leftRegular price $123.45Sale price $123.45 Regular priceUnit price per$129.95 -
Up to $3.75 offRadium Engineering Fuel Surge Tank Wiring Harness Flying Leads W/ Connector External Single Pump - Universal
Regular price $71.20Sale price $71.20 Regular priceUnit price per$74.95 -
Up to $3.75 offRadium Engineering Fuel Surge Tank Wiring Harness Flying Leads W/ Connector External Dual Pump - Universal
Regular price $71.20Sale price $71.20 Regular priceUnit price per$74.95 -
Radium Engineering Fuel Surge Tank Wiring Harness Single Walbro F90000267 Internal Pump - Universal
Regular price $80.70Sale price $80.70 Regular priceUnit price per$59.95 -
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In StockRadium Engineering 10 Micron Stainless Fuel Filter - Universal
Only 7 leftRegular price $71.20Sale price $71.20 Regular priceUnit price per$74.95 -
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In StockRadium Engineering Fuel Pressure Regulator | Body Only - Universal
Only 13 leftRegular price $66.45Sale price $66.45 Regular priceUnit price per$69.95 -
Radium Engineering Fuel Surge Tank Wiring Harness Single Walbro Internal Pump - Universal
Regular price $80.70Sale price $80.70 Regular priceUnit price per$59.95