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 $83.05 offMishimoto 08-21 STI Top Mount Intercooler Black w/ Blue Hoses | MMTMIC-STI-08BKBL
Regular price $830.95Sale price $830.95 Regular priceUnit price per$914.00 -
Up to $83.05 offMishimoto 08-21 STI Top Mount Intercooler Silver w/ Blue Hoses | MMTMIC-STI-08SLBL
Regular price $830.95Sale price $830.95 Regular priceUnit price per$914.00 -
Up to $40.05 off
In StockMishimoto Large Bar and Plate Dual Pass Oil Cooler - Universal
Only 2 leftRegular price $399.95Sale price $399.95 Regular priceUnit price per$440.00 -
Up to $30.05 off
In StockMishimoto Small Bar and Plate Dual Pass Oil Cooler - Universal
Only 1 leftRegular price $296.95Sale price $296.95 Regular priceUnit price per$327.00 -
Up to $34.05 offMishimoto Medium Bar and Plate Dual Pass Oil Cooler - Universal
Regular price $340.95Sale price $340.95 Regular priceUnit price per$375.00 -
Up to $18.05 off
In StockMishimoto 12 Inch Race Line High-Flow Electric Fan - Universal
Only 12 leftRegular price From $151.51Sale price From $151.51 Regular priceUnit price per$0.00 -
Up to $48.05 off
In StockMishimoto 19 Row X-Line Oil Cooler Kit - Universal
Only 8 leftRegular price $482.95Sale price $482.95 Regular priceUnit price per$531.00 -
Up to $24.05 off
In StockMishimoto Gold Z Line Intercooler - Universal
Only 2 leftRegular price $241.95Sale price $241.95 Regular priceUnit price per$266.00 -
Up to $4.05 off
In StockMishimoto Straight Coupler with 1/8NPT Bung - Universal
Only 7 leftRegular price $39.95Sale price $39.95 Regular priceUnit price per$44.00 -
Up to $54.05 off
In StockMishimoto Thermostatic 19 Row Oil Cooler Kit - Universal
Only 6 leftRegular price $539.95Sale price $539.95 Regular priceUnit price per$594.00 -
Up to $43.05 off
In StockMishimoto Thermostatic 10 Row Oil Cooler Kit - Universal
Only 2 leftRegular price $428.95Sale price $428.95 Regular priceUnit price per$472.00 -
Up to $140 offKiller B Motorsport 02-14 WRX / 04-21 STI 4-1 Holy Header Exhaust Manifold DIY Rotated | HH-DIY
Regular price $1,429.00Sale price $1,429.00 Regular priceUnit price per$1,569.00 -
Killer B Motorsport 08-14 WRX / 08-21 STI Relocated Oil Fill Tube | OFTB-1
Regular price $197.00Sale price $197.00 Regular priceUnit price per$197.00 -
Killer B Motorsport 02-14 WRX / 04-21 STI Cast High Performance Oil Pan Silver | EJ25PAN
Regular price $549.00Sale price $549.00 Regular priceUnit price per$549.00 -
Up to $153.12 offCusco Transmission & Differential Cooler Kit 9 Row - Universal
Regular price $806.88Sale price $806.88 Regular priceUnit price per$960.00 -
Up to $5.12 offAEM Coolant Temperature Sensor Kit w/3/8 inch Female Weld-In Aluminum Bung - Universal | 30-2011
Regular price $46.07Sale price $46.07 Regular priceUnit price per$51.19
