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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GrimmSpeed 02-14 WRX / 04-21 STI / 05-12 LGT / 04-13 FXT Phenolic Thermal Spacer 3mm | 018001
Regular price $80.00Sale price $80.00 Regular priceUnit price per$80.00 -
GrimmSpeed Cold Air Intake Red WRX 2008-2014 / STI 2008-2014 / Forester XT 2009-2013 | 060053
Regular price $484.00Sale price $484.00 Regular priceUnit price per$484.00 -
In StockGrimmspeed Radiator Shroud w/ Tool Tray - Black WRX/STI 2008-2014 | 096008
Only 1 leftRegular price $95.00Sale price $95.00 Regular priceUnit price per$95.00 -
In StockGrimmspeed 08-21 WRX/STI Lightweight Battery Mount Kit Black | 121028
Only 10 leftRegular price $165.00Sale price $165.00 Regular priceUnit price per$165.00 -
Up to $552.40 offInvidia N1 Titanium Cat Back Exhaust WRX 2008-2014 / STI 2008-2014 Sedan | HS11STIDTG
Regular price $1,217.00Sale price $1,217.00 Regular priceUnit price per$1,769.40 -
Up to $864.36 off
In StockInvidia R400 Gemini Cat Back Exhaust Quad Titanium Tip WRX/STI 2011-2014 Sedan | HS11STIGM4ST
Only 20 leftRegular price $1,512.00Sale price $1,512.00 Regular priceUnit price per$2,376.36 -
Up to $6.60 off
In StockPERRIN 02-07 WRX / 04-21 STI Throttle Body Hose Blue | PSP-ITR-301BL
Only 5 leftRegular price $37.40Sale price $37.40 Regular priceUnit price per$44.00 -
Up to $180.75 off
In StockPerrin Front Mount Intercooler Core Only Black / Silver WRX/STI 2008-2014 | PSP-ITR-430-1BK / PSP-ITR-430-1SL
Only 1 leftRegular price $1,024.25Sale price $1,024.25 Regular priceUnit price per$1,205.00 -
Up to $70 offPerrin Air Oil Separator Red w/ FMIC | PSP-ENG-607RD
Fits: 02-14 WRX, 04-21 STI, 05-09 LGT
Regular price $502.00Sale price $502.00 Regular priceUnit price per$572.00 -
Up to $61.50 off
In StockPerrin 08-14 WRX / 08-15 STI Cold Air Intake Black | PSP-INT-322BK
Only 7 leftRegular price $348.50Sale price $348.50 Regular priceUnit price per$410.00 -
Up to $12.05 off
In StockMishimoto Slim Electric Fan - Universal
Regular price From $66.75Sale price From $66.75 Regular priceUnit price per$0.00 -
Up to $20.05 off
In StockMishimoto 19 Row Oil Cooler - Universal
Only 10 leftRegular price $196.95Sale price $196.95 Regular priceUnit price per$217.00 -
Up to $3.57 off
In StockMishimoto Straight Coupler 2.5-in D X 3-in L - Universal
Regular price From $11.95Sale price From $11.95 Regular priceUnit price per$13.00 -
Up to $36.05 offMishimoto Cold Air Intake Kit Polished WRX 2008-2014 / STI 2008-2014
Regular price $355.95Sale price $355.95 Regular priceUnit price per$392.00 -
![Mishimoto [02-07 WRX, 04-21 STI, 04-08 FXT] Turbo Inlet Hose Red | MMHOSE-SUB-IHRD](//jdmuscleusa.com/cdn/shop/products/mishimoto-red-silicone-turbo-inlet-hose-subaru-wrx-2002-2007-sti-2004-2019-turbo-inlet-hoses-and-pipes-mishimoto-mmhose-sub-ihrd.jpg?v=1614515263&width=220)
![Mishimoto [02-07 WRX, 04-21 STI, 04-08 FXT] Turbo Inlet Hose Red | MMHOSE-SUB-IHRD](//jdmuscleusa.com/cdn/shop/products/mishimoto-red-silicone-turbo-inlet-hose-subaru-wrx-2002-2007-sti-2004-2019-turbo-inlet-hoses-and-pipes-mishimoto-mmhose-sub-ihrd-2.jpg?v=1614515264&width=220)
Up to $28.05 off
In StockMishimoto Turbo Inlet Hose Red | MMHOSE-SUB-IHRD
Fits: 02-07 WRX, 04-21 STI, 04-08 FXT
Only 3 leftRegular price $276.95Sale price $276.95 Regular priceUnit price per$305.00 -
Up to $61.05 off
In StockMishimoto 08-14 STI Black Thermostatic Oil Cooler Kit | MMOC-STI-08TBK
Only 4 leftRegular price $610.95Sale price $610.95 Regular priceUnit price per$672.00
![Mishimoto [02-07 WRX, 04-21 STI, 04-08 FXT] Turbo Inlet Hose Red | MMHOSE-SUB-IHRD](http://jdmuscleusa.com/cdn/shop/products/mishimoto-red-silicone-turbo-inlet-hose-subaru-wrx-2002-2007-sti-2004-2019-turbo-inlet-hoses-and-pipes-mishimoto-mmhose-sub-ihrd.jpg?v=1614515263&width=220)
![Mishimoto [02-07 WRX, 04-21 STI, 04-08 FXT] Turbo Inlet Hose Red | MMHOSE-SUB-IHRD](http://jdmuscleusa.com/cdn/shop/products/mishimoto-red-silicone-turbo-inlet-hose-subaru-wrx-2002-2007-sti-2004-2019-turbo-inlet-hoses-and-pipes-mishimoto-mmhose-sub-ihrd-2.jpg?v=1614515264&width=220)
