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 $11.23 off
In StockAEM Water/Methanol Injection Filter - Universal | 30-3003
Only 5 leftRegular price $44.96Sale price $44.96 Regular priceUnit price per$56.19 -
Up to $1,130.96 offAEM Infinity-10 Stand-Alone Programmable Engine Management System EMS - Universal | 30-7100
Regular price $2,908.18Sale price $2,908.18 Regular priceUnit price per$4,039.14 -
Up to $994.01 offAEM Infinity-8 Stand-Alone Programmable Engine Management System EMS - Universal | 30-7101
Regular price $2,556.02Sale price $2,556.02 Regular priceUnit price per$3,550.03 -
Up to $50.30 off
In StockAEM V2 5 Gal Tank Kit w/ Conductive Fluid Level Sensor - Universal | 30-3320
Only 1 leftRegular price $200.65Sale price $200.65 Regular priceUnit price per$250.95 -
Up to $116 off
In StockAEM V2 Water/Methanol Injection Kit - NO TANK | Internal Map - Universal | 30-3302
Only 3 leftRegular price $459.95Sale price $459.95 Regular priceUnit price per$575.95 -
Up to $44.40 off
In StockAEM 400LPH High Pressure Fuel Pump - Universal | 50-1005
Only 14 leftRegular price $174.55Sale price $174.55 Regular priceUnit price per$218.95 -
Up to $132 off
In StockAEM V2 1 Gallon Water/Methanol Injection Kit - Universal | 30-3300
Only 2 leftRegular price $520.95Sale price $520.95 Regular priceUnit price per$652.95 -
Subaru OEM Cam Seal Subaru 2.5L SOHC EJ251 Subaru All Models | 806732150
Regular price $10.10Sale price $10.10 Regular priceUnit price per$10.10 -
Subaru OEM Cam Gear Bolt WRX 2006-2014 / STI 2004-2019 / Forester XT 2004-2008 | 13199AA000
Regular price $6.88Sale price $6.88 Regular priceUnit price per$6.88 -
Up to $12.91 off
In StockARP Connecting Rod Bolt Kit Carrillo Replacement 625+ 8pc - Universal | 300-6703
Only 19 leftRegular price $321.00Sale price $321.00 Regular priceUnit price per$333.91 -
ARP 02-14 WRX/ 04-21 STI Case Bolt Kit Subaru EJ Motors | 260-5401
Regular price $508.41Sale price $508.41 Regular priceUnit price per$508.41 -
GrimmSpeed Stage 1 Power Package - Subaru STI 2008-2014 | 191004
Regular price $603.00Sale price $603.00 Regular priceUnit price per$603.00 -
APR Carbon Fiber License Plate Blank Universal | CBA-LICPLATEII
Regular price $50.00Sale price $50.00 Regular priceUnit price per$48.00 -
Up to $8 offAPR Double side Carbon Fiber Plate 23.6"X 20" - Universal
Regular price $170.00Sale price $170.00 Regular priceUnit price per$178.00 -
APR Single Side Carbon Fiber Plate 12"x12" - Universal
Regular price $70.00Sale price $70.00 Regular priceUnit price per$67.00 -
APR Double side Carbon Fiber Plate 12"x12" - Universal
Regular price $110.00Sale price $110.00 Regular priceUnit price per$104.00