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
-
Up to $14.21 off
In StockTorque Solution Stock Location Turbo Oil Feed Line
Fits: 06-14 WRX, 04-21 STI
Only 18 leftRegular price $108.00Sale price $108.00 Regular priceUnit price per$122.21 -
Up to $12 off
In StockTomei 06-14 WRX / 04-21 STI / 05-09 LGT Head Gasket 1.2mm Pair
Only 2 leftRegular price $108.00Sale price $108.00 Regular priceUnit price per$120.00 -
In StockGrimmspeed V2 Bypass Valve Red
Fits: 04-21 STI, 02-07 WRX
Only 1 leftRegular price $311.00Sale price $311.00 Regular priceUnit price per$311.00 -
![CSF [08 - 21 WRX/STI] 2 - Row Subaru Aluminum Radiator | B22415 - RS - JDMuscleRadiatorsCOBB22415-RS](//jdmuscleusa.com/cdn/shop/products/csf-08-21-wrxsti-2-row-subaru-aluminum-radiator-b22415-rs-1190897.jpg?v=1770330014&width=220)
![CSF [08 - 21 WRX/STI] 2 - Row Subaru Aluminum Radiator | B22415 - RS - JDMuscleRadiatorsCOBB22415-RS](//jdmuscleusa.com/cdn/shop/products/csf-08-21-wrxsti-2-row-subaru-aluminum-radiator-b22415-rs-6671145.jpg?v=1770330014&width=220)
CSF 2-Row Subaru Aluminum Radiator | B22415-RS
Fits: 08-21 WRX/STI
Regular price $398.00Sale price $398.00 Regular priceUnit price per$398.00 -
In StockCOBB EJ Turbo Blanket - Black Lava
Fits: 02-14 WRX, 04-21 STI, 09-10 2.5 GT, 04-13 Forester XT, 05-09 Legacy/Outback XT
Only 6 leftRegular price $217.00Sale price $217.00 Regular priceUnit price per$217.00 -
IAG Performance Unequal Length Header & Up Pipe for 2002-2014 WRX and 2004-21 WRX STI | IAG-EXT-1000
Regular price $849.99Sale price $849.99 Regular priceUnit price per$849.99 -
In StockIAG EJ Competition Oil Pan Package
Fits: 02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT
Only 1 leftRegular price $799.99Sale price $799.99 Regular priceUnit price per$799.99 -
In StockIAG Performance Equal Length Header & Up Pipe for Multiple Subaru Fitments
Only 1 leftRegular price $899.99Sale price $899.99 Regular priceUnit price per$899.99 -
IAG 06-14 WRX / 04-21 STI Air / Oil Separator | AOS V2 Competition to V2 Street Series Conversion Kit | V2 AOS Only | IAG-ENG-7110
Regular price $104.99Sale price $104.99 Regular priceUnit price per$104.99 -
Up to $28.50 off
In StockTurbosmart Blow Off Valve Kompact Dual Port Black
Fits: 02-07 WRX, 04-21 STI
Only 9 leftRegular price $256.49Sale price $256.49 Regular priceUnit price per$284.99 -
In StockCobb Tuning Fuel Pressure Regulator for Fuel Rail Kit
Fits: 08-21 STI
Only 19 leftRegular price $380.00Sale price $380.00 Regular priceUnit price per$380.00 -
![XForce [08-14 WRX, 08-21 STI] Pro Series Catted Downpipe | ES-SW08-KITB - JDMuscleFront Pipes and Downpipes / J-PipesES-SW08-KITB](//jdmuscleusa.com/cdn/shop/products/xforce-08-14-wrx-08-21-sti-pro-series-catted-downpipe-es-sw08-kitb-4083289.png?v=1783899632&width=220)
Up to $79.90 off
In StockXForce Pro Series Catted Downpipe | ES-SW08-KITB
Fits: 08-14 WRX, 08-21 STI
Only 10 leftRegular price $719.10Sale price $719.10 Regular priceUnit price per$799.00 -
In StockProthane Universal Super Grease - 0.5oz Pack of 3 - Red
Regular price $11.00Sale price $11.00 Regular priceUnit price per$11.00 -
Up to $233.33 off
In StockSnow Performance Gas Stage 2 The New Boost Cooler Forced Induction Water/Methanol Injection Kit - Universal
Regular price $583.34Sale price $583.34 Regular priceUnit price per$816.67 -
In StockKartboy Battery Tie Down | KB-100-BT
Fits: Most Subaru Models
Regular price $45.00Sale price $45.00 Regular priceUnit price per$45.00 -
In StockGates 04-14 WRX/ 04-21 STI/ 05-09 LGT Timing Belt Kit | TCK328
Only 15 leftRegular price $358.00Sale price $358.00 Regular priceUnit price per$358.00
![CSF [08 - 21 WRX/STI] 2 - Row Subaru Aluminum Radiator | B22415 - RS - JDMuscleRadiatorsCOBB22415-RS](http://jdmuscleusa.com/cdn/shop/products/csf-08-21-wrxsti-2-row-subaru-aluminum-radiator-b22415-rs-1190897.jpg?v=1770330014&width=220)
![CSF [08 - 21 WRX/STI] 2 - Row Subaru Aluminum Radiator | B22415 - RS - JDMuscleRadiatorsCOBB22415-RS](http://jdmuscleusa.com/cdn/shop/products/csf-08-21-wrxsti-2-row-subaru-aluminum-radiator-b22415-rs-6671145.jpg?v=1770330014&width=220)
![XForce [08-14 WRX, 08-21 STI] Pro Series Catted Downpipe | ES-SW08-KITB - JDMuscleFront Pipes and Downpipes / J-PipesES-SW08-KITB](http://jdmuscleusa.com/cdn/shop/products/xforce-08-14-wrx-08-21-sti-pro-series-catted-downpipe-es-sw08-kitb-4083289.png?v=1783899632&width=220)
