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 $3.57 off
In StockMishimoto Straight Coupler 2.25-in D X 2.25-in Long - Universal
Only 4 leftRegular price From $9.95Sale price From $9.95 Regular priceUnit price per$13.00 -
Up to $3.30 off
In StockMishimoto Transition Coupler 2-in to 2.25-in - Universal
Only 2 leftRegular price From $8.95Sale price From $8.95 Regular priceUnit price per$0.00 -
Up to $3.57 off
In StockMishimoto Transition Coupler 2.25-in to 2.5-in - Universal
Only 8 leftRegular price From $8.95Sale price From $8.95 Regular priceUnit price per$0.00 -
Up to $3.57 off
In StockMishimoto Transition Coupler 2.5-in to 2.75-in - Universal
Only 13 leftRegular price From $8.95Sale price From $8.95 Regular priceUnit price per$0.00 -
Up to $3.57 off
In StockMishimoto Straight Coupler 3-in D X 3-in L - Universal
Regular price From $11.95Sale price From $11.95 Regular priceUnit price per$13.00 -
Up to $6.12 offMishimoto 90 Degree Bend Coupler 2-in - Universal
Regular price From $11.95Sale price From $11.95 Regular priceUnit price per$0.00 -
Up to $7.01 off
In StockMishimoto 90 Degree Bend Coupler 2.5-in - Universal
Only 20 leftRegular price From $14.95Sale price From $14.95 Regular priceUnit price per$21.70 -
Up to $2 off
In StockMishimoto 2.0-in Straight Coupler - Universal
Only 12 leftRegular price From $10.95Sale price From $10.95 Regular priceUnit price per$12.95 -
Up to $9.76 offMishimoto 2.75-in 90 Degree Coupler - Universal
Regular price From $14.95Sale price From $14.95 Regular priceUnit price per$0.00 -
Up to $2.10 off
In StockMishimoto 1.75-in to 2.0-in Transition Coupler - Universal
Only 4 leftRegular price From $6.95Sale price From $6.95 Regular priceUnit price per$0.00 -
Up to $36.05 off
In StockMishimoto Performance Cold Air Intake Kit Wrinkle Red WRX 2008-2014 / STI 2008-2014
Only 1 leftRegular price $355.95Sale price $355.95 Regular priceUnit price per$392.00 -
Up to $36.05 off
In StockMishimoto Performance Cold Air Intake Kit Wrinkle Black WRX 2008-2014 / STI 2008-2014
Only 3 leftRegular 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 Blue | MMHOSE-SUB-IHBL](//jdmuscleusa.com/cdn/shop/products/mishimoto-blue-silicone-turbo-inlet-hose-subaru-wrx-2002-2007-sti-2004-2019-turbo-inlet-hoses-and-pipes-mishimoto-mmhose-sub-ihbl.jpg?v=1614515266&width=220)
![Mishimoto [02-07 WRX, 04-21 STI, 04-08 FXT] Turbo Inlet Hose Blue | MMHOSE-SUB-IHBL](//jdmuscleusa.com/cdn/shop/products/mishimoto-blue-silicone-turbo-inlet-hose-subaru-wrx-2002-2007-sti-2004-2019-turbo-inlet-hoses-and-pipes-mishimoto-mmhose-sub-ihbl-2.jpg?v=1614515267&width=220)
Up to $28.05 off
In StockMishimoto Turbo Inlet Hose Blue | MMHOSE-SUB-IHBL
Fits: 02-07 WRX, 04-21 STI, 04-08 FXT
Only 5 leftRegular price $276.95Sale price $276.95 Regular priceUnit price per$305.00 -
![Mishimoto [02-07 WRX, 04-21 STI, 04-08 FXT] Turbo Inlet Hose Black | MMHOSE-SUB-IHBK](//jdmuscleusa.com/cdn/shop/products/mishimoto-black-silicone-turbo-inlet-hose-subaru-wrx-2002-2007-sti-2004-2019-turbo-inlet-hoses-and-pipes-mishimoto-mmhose-sub-ihbk-2.jpg?v=1746735998&width=220)
![Mishimoto [02-07 WRX, 04-21 STI, 04-08 FXT] Turbo Inlet Hose Black | MMHOSE-SUB-IHBK](//jdmuscleusa.com/cdn/shop/products/mishimoto-black-silicone-turbo-inlet-hose-subaru-wrx-2002-2007-sti-2004-2019-turbo-inlet-hoses-and-pipes-mishimoto-mmhose-sub-ihbk.jpg?v=1746735998&width=220)
Up to $28.05 off
In StockMishimoto Turbo Inlet Hose Black | MMHOSE-SUB-IHBK
Fits: 02-07 WRX, 04-21 STI, 04-08 FXT
Only 7 leftRegular price $276.95Sale price $276.95 Regular priceUnit price per$305.00 -
Up to $56.05 offMishimoto Silver Oil Cooler Kit WRX STI 2008-2014
Regular price $558.95Sale price $558.95 Regular priceUnit price per$615.00 -
Up to $56.05 offMishimoto Black Oil Cooler Kit WRX STI 2008-2014
Regular price $558.95Sale price $558.95 Regular priceUnit price per$615.00
![Mishimoto [02-07 WRX, 04-21 STI, 04-08 FXT] Turbo Inlet Hose Blue | MMHOSE-SUB-IHBL](http://jdmuscleusa.com/cdn/shop/products/mishimoto-blue-silicone-turbo-inlet-hose-subaru-wrx-2002-2007-sti-2004-2019-turbo-inlet-hoses-and-pipes-mishimoto-mmhose-sub-ihbl.jpg?v=1614515266&width=220)
![Mishimoto [02-07 WRX, 04-21 STI, 04-08 FXT] Turbo Inlet Hose Blue | MMHOSE-SUB-IHBL](http://jdmuscleusa.com/cdn/shop/products/mishimoto-blue-silicone-turbo-inlet-hose-subaru-wrx-2002-2007-sti-2004-2019-turbo-inlet-hoses-and-pipes-mishimoto-mmhose-sub-ihbl-2.jpg?v=1614515267&width=220)
![Mishimoto [02-07 WRX, 04-21 STI, 04-08 FXT] Turbo Inlet Hose Black | MMHOSE-SUB-IHBK](http://jdmuscleusa.com/cdn/shop/products/mishimoto-black-silicone-turbo-inlet-hose-subaru-wrx-2002-2007-sti-2004-2019-turbo-inlet-hoses-and-pipes-mishimoto-mmhose-sub-ihbk-2.jpg?v=1746735998&width=220)
![Mishimoto [02-07 WRX, 04-21 STI, 04-08 FXT] Turbo Inlet Hose Black | MMHOSE-SUB-IHBK](http://jdmuscleusa.com/cdn/shop/products/mishimoto-black-silicone-turbo-inlet-hose-subaru-wrx-2002-2007-sti-2004-2019-turbo-inlet-hoses-and-pipes-mishimoto-mmhose-sub-ihbk.jpg?v=1746735998&width=220)
