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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ETS 08-21 STI Top Mount Intercooler Silver Core | 200-20-IC-037
Regular price $799.00Sale price $799.00 Regular priceUnit price per$799.00 -
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 Pipe 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 11 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 10 leftRegular price $379.00Sale price $379.00 Regular priceUnit price per$379.00 -
Up to $54 off
In StockCSF Universal Triple Pass Dual Core Radiator w/AN Fittings
Only 11 leftRegular price $525.00Sale price $525.00 Regular priceUnit price per$579.00 -
Up to $44 off
In StockCSF Universal Half Radiator w/-16AN & Slip-On Fittings/12in SPAL Fan & Shroud
Only 20 leftRegular price $685.00Sale price $685.00 Regular priceUnit price per$729.00 -
Up to $39.20 off
In StockAEM High Cap Universal Adjustable Fuel Pressure Regulator | 25-305BK
Only 1 leftRegular price $154.75Sale price $154.75 Regular priceUnit price per$193.95 -
Up to $37.10 off
In StockAEM Universal Adjustable Fuel Pressure Regulator | 25-302BK
Only 20 leftRegular price $144.85Sale price $144.85 Regular priceUnit price per$181.95 -
Up to $34 off
In StockAEM Universal -10AN High Volume Fuel Filter | 25-201BK
Only 4 leftRegular price $134.95Sale price $134.95 Regular priceUnit price per$168.95 -
Up to $38.09 off
In StockGo Fast Bits 08-14 WRX / 08-21 STI Underdrive Pulley Kit | 2014
Only 5 leftRegular price $342.81Sale price $342.81 Regular priceUnit price per$380.90 -
Verus Engineering 13-23 BRZ / 22-23 GR86 / 15-25 WRX/ 08-21 STI AOS Coolant Add On | A0070A
Regular price $82.00Sale price $82.00 Regular priceUnit price per$82.00 -
Prosport Black Exhaust Wrap Kit - Universal
Regular price $28.00Sale price $28.00 Regular priceUnit price per$0.00