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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![Cobb [11 - 14 STI] Titanium Stage 3 Power Package - JDMuscleStaged Power PackagescobbSUB0031S30TI-BKStealth Black Intake System](//jdmuscleusa.com/cdn/shop/products/cobb-11-14-sti-titanium-stage-3-power-package-5958122.jpg?v=1770336209&width=220)
![Cobb [11 - 14 STI] Titanium Stage 3 Power Package - JDMuscleStaged Power PackagescobbSUB0031S30TI-BKStealth Black Intake System](//jdmuscleusa.com/cdn/shop/products/cobb-11-14-sti-titanium-stage-3-power-package-9433371.jpg?v=1770336209&width=220)
Cobb Titanium Stage 3 Power Package
Fits: 11-14 STI
Regular price $6,175.00Sale price $6,175.00 Regular priceUnit price per$6,175.00 -
![Cobb [11 - 14 STI] Titanium Stage 2+ Power Package with V3 Accesport - JDMuscleEngine Package Dealscobb615X82PTI-BKBlack](//jdmuscleusa.com/cdn/shop/products/cobb-11-14-sti-titanium-stage-2-power-package-with-v3-accesport-2076433.jpg?v=1770336262&width=220)
![Cobb [11 - 14 STI] Titanium Stage 2+ Power Package with V3 Accesport - JDMuscleEngine Package Dealscobb615X82PTI-BKBlack](//jdmuscleusa.com/cdn/shop/products/cobb-11-14-sti-titanium-stage-2-power-package-with-v3-accesport-4988401.jpg?v=1770336263&width=220)
Cobb Titanium Stage 2+ Power Package with V3 Accesport
Fits: 11-14 STI
Regular price $4,100.00Sale price $4,100.00 Regular priceUnit price per$4,100.00 -
![COBB [02 - 07 WRX , 04 - 21 STI , 04 - 08 FXT] MAP Sensor Adapter - JDMuscleEngine Management SensorscobbA12600](//jdmuscleusa.com/cdn/shop/products/cobb-02-07-wrx-04-21-sti-04-08-fxt-map-sensor-adapter-3505062.jpg?v=1770336259&width=220)
![COBB [02 - 07 WRX , 04 - 21 STI , 04 - 08 FXT] MAP Sensor Adapter - JDMuscleEngine Management SensorscobbA12600](//jdmuscleusa.com/cdn/shop/products/cobb-02-07-wrx-04-21-sti-04-08-fxt-map-sensor-adapter-3122976.jpg?v=1770336260&width=220)
In StockCOBB MAP Sensor Adapter
Fits: 02-07 WRX , 04-21 STI , 04-08 FXT
Only 5 leftRegular price $73.00Sale price $73.00 Regular priceUnit price per$73.00 -
![Cobb [11 - 14 STI/WRX] Quad 3.5in Tips Turbo Back Exhaust - JDMuscleTurbo Back Exhaustscobb515322](//jdmuscleusa.com/cdn/shop/products/cobb-11-14-stiwrx-quad-35in-tips-turbo-back-exhaust-2824445.jpg?v=1770336260&width=220)
![Cobb [11 - 14 STI/WRX] Quad 3.5in Tips Turbo Back Exhaust - JDMuscleTurbo Back Exhaustscobb515322](//jdmuscleusa.com/cdn/shop/products/cobb-11-14-stiwrx-quad-35in-tips-turbo-back-exhaust-4630371.jpg?v=1770336262&width=220)
Cobb Quad 3.5in Tips Turbo Back Exhaust
Fits: 11-14 STI/WRX
Regular price $2,325.00Sale price $2,325.00 Regular priceUnit price per$2,325.00 -
![Cobb [08 - 14 STI ] Front Mount Intercooler Kit Silver - JDMuscleIntercoolerscobb715500-SL](//jdmuscleusa.com/cdn/shop/products/cobb-08-14-sti-front-mount-intercooler-kit-silver-9220020.jpg?v=1770336268&width=220)
![Cobb [08 - 14 STI ] Front Mount Intercooler Kit Silver - JDMuscleIntercoolerscobb715500-SL](//jdmuscleusa.com/cdn/shop/products/cobb-08-14-sti-front-mount-intercooler-kit-silver-6269481.jpg?v=1770336268&width=220)
Cobb Front Mount Intercooler Kit Silver
Fits: 08-14 STI
Regular price $2,440.00Sale price $2,440.00 Regular priceUnit price per$2,440.00 -
![Cobb [11 - 14 WRX Hatch, 08 - 14 STI Hatch ] 3inch Cat Back Exhaust - JDMuscleCat Back Exhaust Systemcobb515101](//jdmuscleusa.com/cdn/shop/products/cobb-11-14-wrx-hatch-08-14-sti-hatch-3inch-cat-back-exhaust-1217198.jpg?v=1770336267&width=220)
![Cobb [11 - 14 WRX Hatch, 08 - 14 STI Hatch ] 3inch Cat Back Exhaust - JDMuscleCat Back Exhaust Systemcobb515101](//jdmuscleusa.com/cdn/shop/products/cobb-11-14-wrx-hatch-08-14-sti-hatch-3inch-cat-back-exhaust-8608051.jpg?v=1770336267&width=220)
In StockCobb 3inch Cat Back Exhaust
Fits: 11-14 WRX Hatch, 08-14 STI Hatch
Only 5 leftRegular price $1,450.00Sale price $1,450.00 Regular priceUnit price per$1,450.00 -
![Cobb [08 - 14 STI] Front Mount Intercooler Kit Black Subaru - JDMuscleIntercoolerscobb715500-BK](//jdmuscleusa.com/cdn/shop/products/cobb-08-14-sti-front-mount-intercooler-kit-black-subaru-2828586.jpg?v=1770336271&width=220)
![Cobb [08 - 14 STI] Front Mount Intercooler Kit Black Subaru - JDMuscleIntercoolerscobb715500-BK](//jdmuscleusa.com/cdn/shop/products/cobb-08-14-sti-front-mount-intercooler-kit-black-subaru-6869610.jpg?v=1770336271&width=220)
In StockCobb Front Mount Intercooler Kit Black Subaru
Fits: 08-14 STI
Only 2 leftRegular price $2,440.00Sale price $2,440.00 Regular priceUnit price per$2,440.00 -
![Cobb [11 - 14 STI/WRX] Front Mount Intercooler Core Black - JDMuscleIntercoolerscobb724502-BK](//jdmuscleusa.com/cdn/shop/products/cobb-11-14-stiwrx-front-mount-intercooler-core-black-9739373.jpg?v=1770336270&width=220)
![Cobb [11 - 14 STI/WRX] Front Mount Intercooler Core Black - JDMuscleIntercoolerscobb724502-BK](//jdmuscleusa.com/cdn/shop/products/cobb-11-14-stiwrx-front-mount-intercooler-core-black-2084225.jpg?v=1770336270&width=220)
In StockCobb Front Mount Intercooler Core Black
Fits: 11-14 STI/WRX
Only 7 leftRegular price $1,125.00Sale price $1,125.00 Regular priceUnit price per$1,125.00 -
![Cobb [08 - 14 WRX, 11 - 14 STI] Front Mount Intercooler Hot Pipe - JDMuscleIntercooler Piping Kitscobb715505](//jdmuscleusa.com/cdn/shop/products/cobb-08-14-wrx-11-14-sti-front-mount-intercooler-hot-pipe-1525219.jpg?v=1770336268&width=220)
In StockCobb Front Mount Intercooler Hot Pipe
Fits: 08-14 WRX, 11-14 STI
Only 5 leftRegular price $82.00Sale price $82.00 Regular priceUnit price per$82.00 -
![Cobb [08 - 14 STI] Front Mount Intercooler Cold Pipes - JDMuscleIntercooler Piping Kitscobb715500-C](//jdmuscleusa.com/cdn/shop/products/cobb-08-14-sti-front-mount-intercooler-cold-pipes-5950951.jpg?v=1770336319&width=220)
In StockCobb Front Mount Intercooler Cold Pipes
Fits: 08-14 STI
Only 4 leftRegular price $430.00Sale price $430.00 Regular priceUnit price per$430.00 -
![Cobb [11 - 14 WRX/STI] Tuning Front Mount Intercooler Silver Core Only - JDMuscleIntercoolerscobb724502-SL](//jdmuscleusa.com/cdn/shop/products/cobb-11-14-wrxsti-tuning-front-mount-intercooler-silver-core-only-6639104.jpg?v=1770336325&width=220)
![Cobb [11 - 14 WRX/STI] Tuning Front Mount Intercooler Silver Core Only - JDMuscleIntercoolerscobb724502-SL](//jdmuscleusa.com/cdn/shop/products/cobb-11-14-wrxsti-tuning-front-mount-intercooler-silver-core-only-5514809.jpg?v=1770336325&width=220)
In StockCobb Tuning Front Mount Intercooler Silver Core Only
Fits: 11-14 WRX/STI
Only 5 leftRegular price $1,125.00Sale price $1,125.00 Regular priceUnit price per$1,125.00 -
![Cobb [08 - 14 WRX/STI] Aluminum Radiator Shroud - JDMuscleRadiator Shroudscobb815110](//jdmuscleusa.com/cdn/shop/products/cobb-08-14-wrxsti-aluminum-radiator-shroud-8854961.jpg?v=1770336329&width=220)
![Cobb [08 - 14 WRX/STI] Aluminum Radiator Shroud - JDMuscleRadiator Shroudscobb815110](//jdmuscleusa.com/cdn/shop/products/cobb-08-14-wrxsti-aluminum-radiator-shroud-8742144.jpg?v=1770336329&width=220)
In StockCobb Aluminum Radiator Shroud
Fits: 08-14 WRX/STI
Only 6 leftRegular price $111.00Sale price $111.00 Regular priceUnit price per$111.00 -
![COBB [08 - 21 STI] Fuel Pressure Regulator Manifold Relocation Kit - JDMuscleFuel Pressure Regulatorscobb315150](//jdmuscleusa.com/cdn/shop/products/cobb-08-21-sti-fuel-pressure-regulator-manifold-relocation-kit-1397733.jpg?v=1770336328&width=220)
In StockCOBB Fuel Pressure Regulator Manifold Relocation Kit
Fits: 08-21 STI
Only 1 leftRegular price $34.00Sale price $34.00 Regular priceUnit price per$34.00 -
![Cobb [04 - 16 STI, 06 - 21] WRX AN Adapter Fittings - JDMuscleEngine Management Sensorscobb312630](//jdmuscleusa.com/cdn/shop/products/cobb-04-16-sti-06-21-wrx-an-adapter-fittings-3943173.jpg?v=1770336368&width=220)
![Cobb [04 - 16 STI, 06 - 21] WRX AN Adapter Fittings - JDMuscleEngine Management Sensorscobb312630](//jdmuscleusa.com/cdn/shop/files/cobb-04-16-sti-06-21-wrx-an-adapter-fittings-8477907.webp?v=1770336368&width=220)
In StockCobb AN Adapter Fittings
Fits: 04-16 STI, 06-21 WRX
Only 9 leftRegular price $58.00Sale price $58.00 Regular priceUnit price per$58.00 -
![COBB [11 - 21 WRX/STI] Sedan Titanium Cat Back Exhaust - JDMuscleCat Back Exhaust Systemcobb515140](//jdmuscleusa.com/cdn/shop/products/cobb-11-21-wrxsti-sedan-titanium-cat-back-exhaust-9553676.jpg?v=1770336373&width=220)
![COBB [11 - 21 WRX/STI] Sedan Titanium Cat Back Exhaust - JDMuscleCat Back Exhaust Systemcobb515140](//jdmuscleusa.com/cdn/shop/products/cobb-11-21-wrxsti-sedan-titanium-cat-back-exhaust-2181981.jpg?v=1770336373&width=220)
In StockCOBB Sedan Titanium Cat Back Exhaust
Fits: 11-21 WRX/STI
Only 7 leftRegular price $2,450.00Sale price $2,450.00 Regular priceUnit price per$2,450.00 -
![COBB [02 - 14 WRX, 04 - 21 STI, 05 - 09 LGT] Lightweight Crank Pulley Black - JDMusclePulleyscobb300102BK](//jdmuscleusa.com/cdn/shop/products/cobb-02-14-wrx-04-21-sti-05-09-lgt-lightweight-crank-pulley-black-5680990.jpg?v=1770336372&width=220)
![COBB [02 - 14 WRX, 04 - 21 STI, 05 - 09 LGT] Lightweight Crank Pulley Black - JDMusclePulleyscobb300102BK](//jdmuscleusa.com/cdn/shop/products/cobb-02-14-wrx-04-21-sti-05-09-lgt-lightweight-crank-pulley-black-1789589.jpg?v=1770336372&width=220)
COBB Lightweight Crank Pulley Black
Fits: 02-14 WRX, 04-21 STI, 05-09 LGT
Regular price $169.00Sale price $169.00 Regular priceUnit price per$169.00
![Cobb [11 - 14 STI] Titanium Stage 3 Power Package - JDMuscleStaged Power PackagescobbSUB0031S30TI-BKStealth Black Intake System](http://jdmuscleusa.com/cdn/shop/products/cobb-11-14-sti-titanium-stage-3-power-package-5958122.jpg?v=1770336209&width=220)
![Cobb [11 - 14 STI] Titanium Stage 3 Power Package - JDMuscleStaged Power PackagescobbSUB0031S30TI-BKStealth Black Intake System](http://jdmuscleusa.com/cdn/shop/products/cobb-11-14-sti-titanium-stage-3-power-package-9433371.jpg?v=1770336209&width=220)
![Cobb [11 - 14 STI] Titanium Stage 2+ Power Package with V3 Accesport - JDMuscleEngine Package Dealscobb615X82PTI-BKBlack](http://jdmuscleusa.com/cdn/shop/products/cobb-11-14-sti-titanium-stage-2-power-package-with-v3-accesport-2076433.jpg?v=1770336262&width=220)
![Cobb [11 - 14 STI] Titanium Stage 2+ Power Package with V3 Accesport - JDMuscleEngine Package Dealscobb615X82PTI-BKBlack](http://jdmuscleusa.com/cdn/shop/products/cobb-11-14-sti-titanium-stage-2-power-package-with-v3-accesport-4988401.jpg?v=1770336263&width=220)
![COBB [02 - 07 WRX , 04 - 21 STI , 04 - 08 FXT] MAP Sensor Adapter - JDMuscleEngine Management SensorscobbA12600](http://jdmuscleusa.com/cdn/shop/products/cobb-02-07-wrx-04-21-sti-04-08-fxt-map-sensor-adapter-3505062.jpg?v=1770336259&width=220)
![COBB [02 - 07 WRX , 04 - 21 STI , 04 - 08 FXT] MAP Sensor Adapter - JDMuscleEngine Management SensorscobbA12600](http://jdmuscleusa.com/cdn/shop/products/cobb-02-07-wrx-04-21-sti-04-08-fxt-map-sensor-adapter-3122976.jpg?v=1770336260&width=220)
![Cobb [11 - 14 STI/WRX] Quad 3.5in Tips Turbo Back Exhaust - JDMuscleTurbo Back Exhaustscobb515322](http://jdmuscleusa.com/cdn/shop/products/cobb-11-14-stiwrx-quad-35in-tips-turbo-back-exhaust-2824445.jpg?v=1770336260&width=220)
![Cobb [11 - 14 STI/WRX] Quad 3.5in Tips Turbo Back Exhaust - JDMuscleTurbo Back Exhaustscobb515322](http://jdmuscleusa.com/cdn/shop/products/cobb-11-14-stiwrx-quad-35in-tips-turbo-back-exhaust-4630371.jpg?v=1770336262&width=220)
![Cobb [08 - 14 STI ] Front Mount Intercooler Kit Silver - JDMuscleIntercoolerscobb715500-SL](http://jdmuscleusa.com/cdn/shop/products/cobb-08-14-sti-front-mount-intercooler-kit-silver-9220020.jpg?v=1770336268&width=220)
![Cobb [08 - 14 STI ] Front Mount Intercooler Kit Silver - JDMuscleIntercoolerscobb715500-SL](http://jdmuscleusa.com/cdn/shop/products/cobb-08-14-sti-front-mount-intercooler-kit-silver-6269481.jpg?v=1770336268&width=220)
![Cobb [11 - 14 WRX Hatch, 08 - 14 STI Hatch ] 3inch Cat Back Exhaust - JDMuscleCat Back Exhaust Systemcobb515101](http://jdmuscleusa.com/cdn/shop/products/cobb-11-14-wrx-hatch-08-14-sti-hatch-3inch-cat-back-exhaust-1217198.jpg?v=1770336267&width=220)
![Cobb [11 - 14 WRX Hatch, 08 - 14 STI Hatch ] 3inch Cat Back Exhaust - JDMuscleCat Back Exhaust Systemcobb515101](http://jdmuscleusa.com/cdn/shop/products/cobb-11-14-wrx-hatch-08-14-sti-hatch-3inch-cat-back-exhaust-8608051.jpg?v=1770336267&width=220)
![Cobb [08 - 14 STI] Front Mount Intercooler Kit Black Subaru - JDMuscleIntercoolerscobb715500-BK](http://jdmuscleusa.com/cdn/shop/products/cobb-08-14-sti-front-mount-intercooler-kit-black-subaru-2828586.jpg?v=1770336271&width=220)
![Cobb [08 - 14 STI] Front Mount Intercooler Kit Black Subaru - JDMuscleIntercoolerscobb715500-BK](http://jdmuscleusa.com/cdn/shop/products/cobb-08-14-sti-front-mount-intercooler-kit-black-subaru-6869610.jpg?v=1770336271&width=220)
![Cobb [11 - 14 STI/WRX] Front Mount Intercooler Core Black - JDMuscleIntercoolerscobb724502-BK](http://jdmuscleusa.com/cdn/shop/products/cobb-11-14-stiwrx-front-mount-intercooler-core-black-9739373.jpg?v=1770336270&width=220)
![Cobb [11 - 14 STI/WRX] Front Mount Intercooler Core Black - JDMuscleIntercoolerscobb724502-BK](http://jdmuscleusa.com/cdn/shop/products/cobb-11-14-stiwrx-front-mount-intercooler-core-black-2084225.jpg?v=1770336270&width=220)
![Cobb [08 - 14 WRX, 11 - 14 STI] Front Mount Intercooler Hot Pipe - JDMuscleIntercooler Piping Kitscobb715505](http://jdmuscleusa.com/cdn/shop/products/cobb-08-14-wrx-11-14-sti-front-mount-intercooler-hot-pipe-1525219.jpg?v=1770336268&width=220)
![Cobb [08 - 14 STI] Front Mount Intercooler Cold Pipes - JDMuscleIntercooler Piping Kitscobb715500-C](http://jdmuscleusa.com/cdn/shop/products/cobb-08-14-sti-front-mount-intercooler-cold-pipes-5950951.jpg?v=1770336319&width=220)
![Cobb [11 - 14 WRX/STI] Tuning Front Mount Intercooler Silver Core Only - JDMuscleIntercoolerscobb724502-SL](http://jdmuscleusa.com/cdn/shop/products/cobb-11-14-wrxsti-tuning-front-mount-intercooler-silver-core-only-6639104.jpg?v=1770336325&width=220)
![Cobb [11 - 14 WRX/STI] Tuning Front Mount Intercooler Silver Core Only - JDMuscleIntercoolerscobb724502-SL](http://jdmuscleusa.com/cdn/shop/products/cobb-11-14-wrxsti-tuning-front-mount-intercooler-silver-core-only-5514809.jpg?v=1770336325&width=220)
![Cobb [08 - 14 WRX/STI] Aluminum Radiator Shroud - JDMuscleRadiator Shroudscobb815110](http://jdmuscleusa.com/cdn/shop/products/cobb-08-14-wrxsti-aluminum-radiator-shroud-8854961.jpg?v=1770336329&width=220)
![Cobb [08 - 14 WRX/STI] Aluminum Radiator Shroud - JDMuscleRadiator Shroudscobb815110](http://jdmuscleusa.com/cdn/shop/products/cobb-08-14-wrxsti-aluminum-radiator-shroud-8742144.jpg?v=1770336329&width=220)
![COBB [08 - 21 STI] Fuel Pressure Regulator Manifold Relocation Kit - JDMuscleFuel Pressure Regulatorscobb315150](http://jdmuscleusa.com/cdn/shop/products/cobb-08-21-sti-fuel-pressure-regulator-manifold-relocation-kit-1397733.jpg?v=1770336328&width=220)
![Cobb [04 - 16 STI, 06 - 21] WRX AN Adapter Fittings - JDMuscleEngine Management Sensorscobb312630](http://jdmuscleusa.com/cdn/shop/products/cobb-04-16-sti-06-21-wrx-an-adapter-fittings-3943173.jpg?v=1770336368&width=220)
![Cobb [04 - 16 STI, 06 - 21] WRX AN Adapter Fittings - JDMuscleEngine Management Sensorscobb312630](http://jdmuscleusa.com/cdn/shop/files/cobb-04-16-sti-06-21-wrx-an-adapter-fittings-8477907.webp?v=1770336368&width=220)
![COBB [11 - 21 WRX/STI] Sedan Titanium Cat Back Exhaust - JDMuscleCat Back Exhaust Systemcobb515140](http://jdmuscleusa.com/cdn/shop/products/cobb-11-21-wrxsti-sedan-titanium-cat-back-exhaust-9553676.jpg?v=1770336373&width=220)
![COBB [11 - 21 WRX/STI] Sedan Titanium Cat Back Exhaust - JDMuscleCat Back Exhaust Systemcobb515140](http://jdmuscleusa.com/cdn/shop/products/cobb-11-21-wrxsti-sedan-titanium-cat-back-exhaust-2181981.jpg?v=1770336373&width=220)
![COBB [02 - 14 WRX, 04 - 21 STI, 05 - 09 LGT] Lightweight Crank Pulley Black - JDMusclePulleyscobb300102BK](http://jdmuscleusa.com/cdn/shop/products/cobb-02-14-wrx-04-21-sti-05-09-lgt-lightweight-crank-pulley-black-5680990.jpg?v=1770336372&width=220)
![COBB [02 - 14 WRX, 04 - 21 STI, 05 - 09 LGT] Lightweight Crank Pulley Black - JDMusclePulleyscobb300102BK](http://jdmuscleusa.com/cdn/shop/products/cobb-02-14-wrx-04-21-sti-05-09-lgt-lightweight-crank-pulley-black-1789589.jpg?v=1770336372&width=220)