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 $36.58 off
In StockAWE 15-25 WRX/ 11-14 WRX Sedan/11-21 STI Sedan Track to Touring Conversion Kit | 3815-41006
Only 2 leftRegular price $695.00Sale price $695.00 Regular priceUnit price per$731.58 -
In StockKartboy 08-21 WRX/STI / 05-09 LGT / 13-21 BRZ 12MM Black Exhaust Hanger Long | KB-011-12mmXL
Regular price $12.00Sale price $12.00 Regular priceUnit price per$12.00 -
Up to $25.50 off
In StockTurbosmart 09-14 WRX / 08-21 STI Internal Wastegate Actuator 7psi Black | TS-0605-1072
Only 13 leftRegular price $229.49Sale price $229.49 Regular priceUnit price per$254.99 -
Up to $45.50 off
In StockTurbosmart 02-07 WRX / 04-21 STI / 06-08 FXT Dual Port Blow Off Valve Black | TS-0205-1016
Only 8 leftRegular price $409.49Sale price $409.49 Regular priceUnit price per$454.99 -
MAPerformance 4-1 Equal Length Header Subaru STI 2004-2020 | SUB-ELH-REV2-PARENT
Regular price From $1,199.99Sale price From $1,199.99 Regular priceUnit price per -
![Cobb [11 - 14 WRX/STI] 3 - inch Cat Back Exhaust - JDMuscleCat Back Exhaust Systemcobb515122](//jdmuscleusa.com/cdn/shop/products/cobb-11-14-wrxsti-3-inch-cat-back-exhaust-6018102.jpg?v=1770336324&width=220)
![Cobb [11 - 14 WRX/STI] 3 - inch Cat Back Exhaust - JDMuscleCat Back Exhaust Systemcobb515122](//jdmuscleusa.com/cdn/shop/products/cobb-11-14-wrxsti-3-inch-cat-back-exhaust-7069891.jpg?v=1770336324&width=220)
Up to $115 offCobb 3-inch Cat Back Exhaust
Fits: 11-14 WRX/STI
Regular price $1,310.00Sale price $1,310.00 Regular priceUnit price per$1,425.00 -
In StockCOBB Delrin Oil Cap Most Subaru Models
Only 8 leftRegular price $102.00Sale price $102.00 Regular priceUnit price per$102.00 -
![Cobb [08 - 14 STI] Front Mount Intercooler Hot Pipes - JDMuscleIntercooler Piping Kitscobb715500-H](//jdmuscleusa.com/cdn/shop/products/cobb-08-14-sti-front-mount-intercooler-hot-pipes-9045978.jpg?v=1770336328&width=220)
In StockCobb Front Mount Intercooler Hot Pipes
Fits: 08-14 STI
Only 6 leftRegular price $375.00Sale price $375.00 Regular priceUnit price per$375.00 -
![Cobb [08 - 21 STI/WRX, 09 - 10 Impreza 2.5GT] Coolant Overflow Tank - JDMuscleOverflow / Expansion Tankscobb800650](//jdmuscleusa.com/cdn/shop/products/cobb-08-21-stiwrx-09-10-impreza-25gt-coolant-overflow-tank-5219125.jpg?v=1775590688&width=220)
![Cobb [08 - 21 STI/WRX, 09 - 10 Impreza 2.5GT] Coolant Overflow Tank - JDMuscleOverflow / Expansion Tankscobb800650](//jdmuscleusa.com/cdn/shop/products/cobb-08-21-stiwrx-09-10-impreza-25gt-coolant-overflow-tank-7229131.jpg?v=1775590688&width=220)
Cobb Coolant Overflow Tank
Fits: 08-21 STI/WRX, 09-10 Impreza 2.5GT
Regular price $182.00Sale price $182.00 Regular priceUnit price per$182.00 -
In StockCOBB Fuel Rails Black
Fits: 08-21 STI
Regular price $300.00Sale price $300.00 Regular priceUnit price per$300.00 -
In StockCOBB Fuel Rail Line Kit
Fits: 08-21 STI
Regular price $595.00Sale price $595.00 Regular priceUnit price per$595.00 -
In StockCOBB Aluminum Alternator Cover Wrinkle Black
Fits: 08-14 WRX, 08-21 STI
Only 9 leftRegular price $111.00Sale price $111.00 Regular priceUnit price per$111.00 -
In StockCOBB Short Ram SF Intake System Blue
Fits: 08-14 WRX, 08-21 STI, 09-13 FXT
Only 13 leftRegular price $340.00Sale price $340.00 Regular priceUnit price per$340.00 -
![COBB [08 - 14 WRX/STI, 09 - 13 Forester XT] Stage 1+ Power Package w/ V3 AccessPORT | 615X01P - JDMuscleStaged Power Packagescobb615X01P-BKBlack](//jdmuscleusa.com/cdn/shop/products/cobb-08-14-wrxsti-09-13-forester-xt-stage-1-power-package-w-v3-accessport-615x01p-9525067.jpg?v=1770336438&width=220)
![COBB [08 - 14 WRX/STI, 09 - 13 Forester XT] Stage 1+ Power Package w/ V3 AccessPORT | 615X01P - JDMuscleStaged Power Packagescobb615X01P-BKBlack](//jdmuscleusa.com/cdn/shop/products/cobb-08-14-wrxsti-09-13-forester-xt-stage-1-power-package-w-v3-accessport-615x01p-4422856.jpg?v=1770336439&width=220)
In StockCOBB Stage 1+ Power Package w/ V3 AccessPORT
Fits: 08-14 WRX/STI, 09-13 Forester XT
Regular price $1,180.00Sale price $1,180.00 Regular priceUnit price per$1,180.00 -
![COBB [08 - 14 WRX, 08 - 21 STI, 09 - 13 FXT] SF Intake System - Black | 715100 - BK - JDMuscleIntakescobb715100-BK](//jdmuscleusa.com/cdn/shop/products/cobb-08-14-wrx-08-21-sti-09-13-fxt-sf-intake-system-black-715100-bk-6796051.jpg?v=1770336436&width=220)
![COBB [08 - 14 WRX, 08 - 21 STI, 09 - 13 FXT] SF Intake System - Black | 715100 - BK - JDMuscleIntakescobb715100-BK](//jdmuscleusa.com/cdn/shop/products/cobb-08-14-wrx-08-21-sti-09-13-fxt-sf-intake-system-black-715100-bk-3520725.jpg?v=1770336436&width=220)
In StockCOBB SF Intake System-Black
Fits: 08-14 WRX, 08-21 STI, 09-13 FXT
Regular price $340.00Sale price $340.00 Regular priceUnit price per$340.00 -
Moroso Coolant Expansion Tank WRX 2008-2020 / STI 2008-2020 | 63871
Regular price $225.99Sale price $225.99 Regular priceUnit price per$225.99
![Cobb [11 - 14 WRX/STI] 3 - inch Cat Back Exhaust - JDMuscleCat Back Exhaust Systemcobb515122](http://jdmuscleusa.com/cdn/shop/products/cobb-11-14-wrxsti-3-inch-cat-back-exhaust-6018102.jpg?v=1770336324&width=220)
![Cobb [11 - 14 WRX/STI] 3 - inch Cat Back Exhaust - JDMuscleCat Back Exhaust Systemcobb515122](http://jdmuscleusa.com/cdn/shop/products/cobb-11-14-wrxsti-3-inch-cat-back-exhaust-7069891.jpg?v=1770336324&width=220)
![Cobb [08 - 14 STI] Front Mount Intercooler Hot Pipes - JDMuscleIntercooler Piping Kitscobb715500-H](http://jdmuscleusa.com/cdn/shop/products/cobb-08-14-sti-front-mount-intercooler-hot-pipes-9045978.jpg?v=1770336328&width=220)
![Cobb [08 - 21 STI/WRX, 09 - 10 Impreza 2.5GT] Coolant Overflow Tank - JDMuscleOverflow / Expansion Tankscobb800650](http://jdmuscleusa.com/cdn/shop/products/cobb-08-21-stiwrx-09-10-impreza-25gt-coolant-overflow-tank-5219125.jpg?v=1775590688&width=220)
![Cobb [08 - 21 STI/WRX, 09 - 10 Impreza 2.5GT] Coolant Overflow Tank - JDMuscleOverflow / Expansion Tankscobb800650](http://jdmuscleusa.com/cdn/shop/products/cobb-08-21-stiwrx-09-10-impreza-25gt-coolant-overflow-tank-7229131.jpg?v=1775590688&width=220)
![COBB [08 - 14 WRX/STI, 09 - 13 Forester XT] Stage 1+ Power Package w/ V3 AccessPORT | 615X01P - JDMuscleStaged Power Packagescobb615X01P-BKBlack](http://jdmuscleusa.com/cdn/shop/products/cobb-08-14-wrxsti-09-13-forester-xt-stage-1-power-package-w-v3-accessport-615x01p-9525067.jpg?v=1770336438&width=220)
![COBB [08 - 14 WRX/STI, 09 - 13 Forester XT] Stage 1+ Power Package w/ V3 AccessPORT | 615X01P - JDMuscleStaged Power Packagescobb615X01P-BKBlack](http://jdmuscleusa.com/cdn/shop/products/cobb-08-14-wrxsti-09-13-forester-xt-stage-1-power-package-w-v3-accessport-615x01p-4422856.jpg?v=1770336439&width=220)
![COBB [08 - 14 WRX, 08 - 21 STI, 09 - 13 FXT] SF Intake System - Black | 715100 - BK - JDMuscleIntakescobb715100-BK](http://jdmuscleusa.com/cdn/shop/products/cobb-08-14-wrx-08-21-sti-09-13-fxt-sf-intake-system-black-715100-bk-6796051.jpg?v=1770336436&width=220)
![COBB [08 - 14 WRX, 08 - 21 STI, 09 - 13 FXT] SF Intake System - Black | 715100 - BK - JDMuscleIntakescobb715100-BK](http://jdmuscleusa.com/cdn/shop/products/cobb-08-14-wrx-08-21-sti-09-13-fxt-sf-intake-system-black-715100-bk-3520725.jpg?v=1770336436&width=220)
