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 $20.75 offRemark Axle Back Exhaust w/Stainless Steel Double Wall Tip 11-14 WRX/STI GR | GV Sedan | RO-TSGV-D
Regular price $394.25Sale price $394.25 Regular priceUnit price per$415.00 -
Up to $23.25 offRemark Axle Back Exhaust w/Burnt Stainless Steel Double Wall Tip 11-14 WRX/STI GR | GV Sedan | RO-TTGV-D
Regular price $441.75Sale price $441.75 Regular priceUnit price per$465.00 -
GrimmSpeed Fender Shroud - Black Subaru Impreza WRX/STI 2008-2014 | 096058
Regular price $117.00Sale price $117.00 Regular priceUnit price per$117.00 -
GrimmSpeed 02-14 WRX / 04-21 STI Alternator Cover Hi-Vis Neon Yellow | 099050
Regular price $141.00Sale price $141.00 Regular priceUnit price per$141.00 -
GrimmSpeed Front Mount Intercooler Kit - Red Subaru STI 2008-2014 | 090227
Regular price $2,174.00Sale price $2,174.00 Regular priceUnit price per$2,174.00 -
GrimmSpeed Front Mount Intercooler Kit - Black Subaru STI 2008-2014 | 090254
Regular price $2,015.00Sale price $2,015.00 Regular priceUnit price per$2,015.00 -
GrimmSpeed Front Mount Intercooler Kit Raw Core / Black Pipe 2008-2014 Subaru STI | 090228
Regular price $2,174.00Sale price $2,174.00 Regular priceUnit price per$2,174.00 -
Up to $29.99 off
In StockPLM Precision Works Radiator Shroud for WRX STI IMPREZA 2008-2014 | PW-RS-SUB-PARENT
Only 15 leftRegular price $50.00Sale price $50.00 Regular priceUnit price per$79.99 -
ETS 08-21 STI Top Mount Intercooler Silver Core | 200-20-IC-037
Regular price $695.00Sale price $695.00 Regular priceUnit price per$695.00 -
GrimmSpeed Un-Resonated Cat-Back with Quad-Tip Muffler - WRX / STi 2011-2018 | 070048
Regular price $1,349.00Sale price $1,349.00 Regular priceUnit price per$1,349.00 -
GrimmSpeed WRX/STI/LGT/FXT 3-Bolt Manifold to Up PipeΒ Gasket | 034001
Regular price $22.00Sale price $22.00 Regular priceUnit price per$22.00 -
GrimmSpeed Resonated Cat-Back Exhaust - WRX/STI Hatchback 2008-2014 | 070045
Regular price $1,717.00Sale price $1,717.00 Regular priceUnit price per$1,717.00 -
In StockCSF Universal Dual-Pass Oil Cooler - M22 x 1.5 - 13in L x 4.75in H x 2.16in W
Only 2 leftRegular price $315.00Sale price $315.00 Regular priceUnit price per$315.00 -
CSF Universal Signal-Pass Oil Cooler | RSR Style - M22 x 1.5 - 24in L x 5.75in H x 2.16in W
Regular price $619.00Sale price $619.00 Regular priceUnit price per$619.00 -
In StockCSF Universal Dual-Pass Oil Cooler | RS Style - M22 x 1.5 - 24in L x 5.75in H x 2.16in W
Only 5 leftRegular price $619.00Sale price $619.00 Regular priceUnit price per$619.00 -
In StockCSF Universal Dual-Pass Internal/External Oil Cooler - 22.0in L x 5.0in H x 2.25in W
Only 6 leftRegular price $379.00Sale price $379.00 Regular priceUnit price per$379.00
