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 $2.99 off
In StockTorque Solution 02-07 WRX / 04-21 STI Tial Blow Off Valve Adapter w/Plug | TS-SU-TIALC
Only 7 leftRegular price $47.00Sale price $47.00 Regular priceUnit price per$49.99 -
Up to $1.43 off
In StockTorque Solution HKS BOV Clamp on Adapter: Universal
Only 11 leftRegular price From $42.00Sale price From $42.00 Regular priceUnit price per$43.32 -
Torque Solution Straight Silicone Coupler - Universal
Regular price From $12.00Sale price From $12.00 Regular priceUnit price per$12.00 -
In StockTorque Solution Transition Silicone Coupler - Universal
Only 3 leftRegular price From $11.25Sale price From $11.25 Regular priceUnit price per$11.25 -
Up to $1 off
In StockTorque Solution 45 Degree Silicone Elbow - Universal
Only 6 leftRegular price From $26.00Sale price From $26.00 Regular priceUnit price per$26.00 -
Up to $1.43 offTorque Solution Tial BOV Modular Weld-On Flange Kit Aluminum - Universal
Regular price $43.00Sale price $43.00 Regular priceUnit price per$44.43 -
Up to $1.43 offTorque Solution Tial BOV 1.5-inch Modular Clamp on Adapter - Universal
Regular price $43.00Sale price $43.00 Regular priceUnit price per$44.43 -
Up to $1.43 off
In StockTorque Solution Tial BOV 1.0in Modular Clamp on Adapter - Universal
Only 2 leftRegular price $43.00Sale price $43.00 Regular priceUnit price per$44.43 -
Up to $1.43 offTorque Solution Tial 1.25in Modular Clamp on Adapter - Universal
Regular price $43.00Sale price $43.00 Regular priceUnit price per$44.43 -
Up to $2.99 off
In StockTorque Solution Boost Leak Tester Billet - Universal
Only 12 leftRegular price $47.00Sale price $47.00 Regular priceUnit price per$49.99 -
Up to $6.21 off
In StockTorque Solution Boost Leak Tester - Universal
Only 7 leftRegular price From $61.00Sale price From $61.00 Regular priceUnit price per$66.65 -
![Torque Solution [02-07 WRX, 04-21 STI, 04-08 FXT] Turbo Inlet Hose - Red | TS-SU-463RD](//jdmuscleusa.com/cdn/shop/products/torque-solution-turbo-inlet-hose-red-02-07-subaru-wrx-04-19-sti-05-09-legacy-gt-04-13-ftx-turbo-inlet-hoses-and-pipes-torque-solution-tqsts-su-463rd.jpg?v=1614519038&width=220)
![Torque Solution [02-07 WRX, 04-21 STI, 04-08 FXT] Turbo Inlet Hose - Red | TS-SU-463RD](//jdmuscleusa.com/cdn/shop/files/torque-solution-turbo-inlet-hose-red-2002-2007-wrx-2004-2021-sti-2004-2008-forester-xt-ts-su-463rd-888855_557x375_55de504c-abb3-4765-8a6d-acff69a7991c.jpg?v=1689965451&width=220)
Up to $33.77 offTorque Solution Turbo Inlet Hose - Red | TS-SU-463RD
Fits: 02-07 WRX, 04-21 STI, 04-08 FXT
Regular price $244.00Sale price $244.00 Regular priceUnit price per$277.77 -
In StockTorque Solution 12mm Exhaust Mount Long WRX/STI 2008-2014 / Legacy GT 2005-2009
Only 1 leftRegular price $21.00Sale price $21.00 Regular priceUnit price per$21.00 -
Up to $0.32 off
In StockTorque Solution Throttle Body Hose Coupler WRX 2002-2007 / STI 2004-2019
Only 11 leftRegular price $33.00Sale price $33.00 Regular priceUnit price per$33.32 -
Up to $3.54 offTorque Solution 02-07 WRX / 04-21 STI Greddy Blow Off Valve Adapter w/ Recirculation Adapter | TS-SU-GRDA
Regular price $52.00Sale price $52.00 Regular priceUnit price per$55.54 -
Up to $4.10 off
In StockTorque Solution 02-14 WRX / 04-21 STI 2.5i Fuel Rail Adapters | TS-SU-308
Only 6 leftRegular price $57.00Sale price $57.00 Regular priceUnit price per$61.10
![Torque Solution [02-07 WRX, 04-21 STI, 04-08 FXT] Turbo Inlet Hose - Red | TS-SU-463RD](http://jdmuscleusa.com/cdn/shop/products/torque-solution-turbo-inlet-hose-red-02-07-subaru-wrx-04-19-sti-05-09-legacy-gt-04-13-ftx-turbo-inlet-hoses-and-pipes-torque-solution-tqsts-su-463rd.jpg?v=1614519038&width=220)
![Torque Solution [02-07 WRX, 04-21 STI, 04-08 FXT] Turbo Inlet Hose - Red | TS-SU-463RD](http://jdmuscleusa.com/cdn/shop/files/torque-solution-turbo-inlet-hose-red-2002-2007-wrx-2004-2021-sti-2004-2008-forester-xt-ts-su-463rd-888855_557x375_55de504c-abb3-4765-8a6d-acff69a7991c.jpg?v=1689965451&width=220)
