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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In StockTorque Solution HD Cam Bolt for Subaru EJ Single AVCS / Dual AVCS | TS-SU-626-1
Only 13 leftRegular price $24.00Sale price $24.00 Regular priceUnit price per$24.00 -
Up to $6.05 off
In StockMishimoto 2011+ WRX STI Single Ignition Coil | MMIG-STI-11
Only 7 leftRegular price $64.95Sale price $64.95 Regular priceUnit price per$71.00 -
Up to $168.23 offMBRP 11-21 WRX Sedan / STI Sedan Armor Pro Series Single Exit Catback w/ Polished Tip | S4803304
Regular price $714.99Sale price $714.99 Regular priceUnit price per$883.22 -
In StockACL 02-14 WRX / 04-21 STI Rod Bearings Standard Size 52mm Journal | 4B8296A-STD
Only 10 leftRegular price $22.00Sale price $22.00 Regular priceUnit price per$22.00 -
Up to $22.90 off
In StockTurbosmart 02-07 WRX / 04-21 STI Recirculating Blow Off Valve Kompact Plumb Back Black | TS-0203-1215
Only 5 leftRegular price $206.09Sale price $206.09 Regular priceUnit price per$228.99 -
Up to $45.50 off
In StockTurbosmart 02-07 WRX / 04-21 STI / 06-08 FXT Dual Port Blow Off Valve | TS-0205-1015
Only 5 leftRegular price $409.49Sale price $409.49 Regular priceUnit price per$454.99 -
Up to $43.70 offTurbosmart 02-07 WRX / 04-21 STI / 06-08 FXT Plumb Back Recirculating Blow Off Valve Blue | TS-0205-1215
Regular price $393.29Sale price $393.29 Regular priceUnit price per$436.99 -
Aeromotive 02-14 WRX / 07-21 STI Billet Fuel Rails - Black | 14169
Regular price $269.00Sale price $269.00 Regular priceUnit price per$269.00 -
![Nameless Performance [11 - 14 WRX/STI Sedan] Axleback w/ Single Wall 3.5" Polished Tips and Muffler Delete | SUAB11WRXSED - 0MU - 35SSW - JDMuscleAxle Back ExhaustsSUAB11WRXSED-0MU-35SSW](//jdmuscleusa.com/cdn/shop/products/nameless-performance-11-14-wrxsti-sedan-axleback-w-single-wall-35-polished-tips-and-muffler-delete-suab11wrxsed-0mu-35ssw-5525445.jpg?v=1770335958&width=220)
![Nameless Performance [11 - 14 WRX/STI Sedan] Axleback w/ Single Wall 3.5" Polished Tips and Muffler Delete | SUAB11WRXSED - 0MU - 35SSW - JDMuscleAxle Back ExhaustsSUAB11WRXSED-0MU-35SSW](//jdmuscleusa.com/cdn/shop/products/nameless-performance-11-14-wrxsti-sedan-axleback-w-single-wall-35-polished-tips-and-muffler-delete-suab11wrxsed-0mu-35ssw-9760811.jpg?v=1770335958&width=220)
Nameless Performance Axleback w/ Single Wall 3.5" Polished Tips and Muffler Delete
Fits: 11-14 WRX/STI Sedan
Regular price $690.00Sale price $690.00 Regular priceUnit price per$0.00 -
![Nameless Performance [11 - 14 WRX/STI Sedan] Axleback w/ Single wall 3.5" Neochrome Tips and Muffler Delete | SUAB11WRXSED - 0MU - 35NEO - JDMuscleAxle Back ExhaustsSUAB11WRXSED-0MU-35NEO](//jdmuscleusa.com/cdn/shop/products/nameless-performance-11-14-wrxsti-sedan-axleback-w-single-wall-35-neochrome-tips-and-muffler-delete-suab11wrxsed-0mu-35neo-1876612.jpg?v=1770335957&width=220)
![Nameless Performance [11 - 14 WRX/STI Sedan] Axleback w/ Single wall 3.5" Neochrome Tips and Muffler Delete | SUAB11WRXSED - 0MU - 35NEO - JDMuscleAxle Back ExhaustsSUAB11WRXSED-0MU-35NEO](//jdmuscleusa.com/cdn/shop/products/nameless-performance-11-14-wrxsti-sedan-axleback-w-single-wall-35-neochrome-tips-and-muffler-delete-suab11wrxsed-0mu-35neo-4700596.jpg?v=1770335957&width=220)
Nameless Performance Axleback w/ Single wall 3.5" Neochrome Tips and Muffler Delete
Fits: 11-14 WRX/STI Sedan
Regular price $750.00Sale price $750.00 Regular priceUnit price per$0.00 -
![Nameless Performance [11 - 14WRX, 11 - 14 STI] AxleBack w/ Single Wall 3.5" Polished Tips and 5" Mufflers | SUAB11WRXSED - 5MU - 35SSW - JDMuscleAxle Back ExhaustsSUAB11WRXSED-5MU-35SSW](//jdmuscleusa.com/cdn/shop/products/nameless-performance-11-14wrx-11-14-sti-axleback-w-single-wall-35-polished-tips-and-5-mufflers-suab11wrxsed-5mu-35ssw-9682427.jpg?v=1770335959&width=220)
![Nameless Performance [11 - 14WRX, 11 - 14 STI] AxleBack w/ Single Wall 3.5" Polished Tips and 5" Mufflers | SUAB11WRXSED - 5MU - 35SSW - JDMuscleAxle Back ExhaustsSUAB11WRXSED-5MU-35SSW](//jdmuscleusa.com/cdn/shop/products/nameless-performance-11-14wrx-11-14-sti-axleback-w-single-wall-35-polished-tips-and-5-mufflers-suab11wrxsed-5mu-35ssw-2696564.jpg?v=1770335959&width=220)
Nameless Performance AxleBack w/ Single Wall 3.5" Polished Tips and 5" Mufflers
Fits: 11-14WRX, 11-14 STI
Regular price $930.00Sale price $930.00 Regular priceUnit price per$0.00 -
![Cobb [08 - 14 STi/Impreza] Stage 2+ Power Package with V3 Accessport - JDMuscleStaged Power Packagescobb615X62P-BLBlue](//jdmuscleusa.com/cdn/shop/products/cobb-08-14-stiimpreza-stage-2-power-package-with-v3-accessport-7280543.jpg?v=1770336136&width=220)
![Cobb [08 - 14 STi/Impreza] Stage 2+ Power Package with V3 Accessport - JDMuscleStaged Power Packagescobb615X62P-BLBlue](//jdmuscleusa.com/cdn/shop/products/cobb-08-14-stiimpreza-stage-2-power-package-with-v3-accessport-3721447.jpg?v=1770336136&width=220)
Cobb Stage 2+ Power Package with V3 Accessport
Fits: 08-14 STi/Impreza
Regular price $3,325.00Sale price $3,325.00 Regular priceUnit price per$3,325.00 -
![Cobb [11 - 14 STI/ Impreza] Stage 2+ Power Package with V3 Accesport - JDMuscleStaged Power Packagescobb615X82P-BKBlack](//jdmuscleusa.com/cdn/shop/products/cobb-11-14-sti-impreza-stage-2-power-package-with-v3-accesport-8669600.jpg?v=1770336136&width=220)
![Cobb [11 - 14 STI/ Impreza] Stage 2+ Power Package with V3 Accesport - JDMuscleStaged Power Packagescobb615X82P-BKBlack](//jdmuscleusa.com/cdn/shop/products/cobb-11-14-sti-impreza-stage-2-power-package-with-v3-accesport-8922972.jpg?v=1770336137&width=220)
Cobb Stage 2+ Power Package with V3 Accesport
Fits: 11-14 STI/ Impreza
Regular price $3,425.00Sale price $3,425.00 Regular priceUnit price per$3,425.00 -
![Cobb [08 - 14 STI/Impreza] Stage 3 Power Package - JDMuscleStaged Power PackagescobbSUB0031H30-BKStealth Black Intake System](//jdmuscleusa.com/cdn/shop/products/cobb-08-14-stiimpreza-stage-3-power-package-7165602.jpg?v=1770336140&width=220)
![Cobb [08 - 14 STI/Impreza] Stage 3 Power Package - JDMuscleStaged Power PackagescobbSUB0031H30-BKStealth Black Intake System](//jdmuscleusa.com/cdn/shop/products/cobb-08-14-stiimpreza-stage-3-power-package-5387741.jpg?v=1770336140&width=220)
Cobb Stage 3 Power Package
Fits: 08-14 STI/Impreza
Regular price $5,825.00Sale price $5,825.00 Regular priceUnit price per$5,825.00 -
![Cobb [08 - 14 STI/Impreza Hatch] Stage 2 Power Package - JDMuscleStaged Power Packagescobb615X62](//jdmuscleusa.com/cdn/shop/products/cobb-08-14-stiimpreza-hatch-stage-2-power-package-4118172.jpg?v=1770336141&width=220)
![Cobb [08 - 14 STI/Impreza Hatch] Stage 2 Power Package - JDMuscleStaged Power Packagescobb615X62](//jdmuscleusa.com/cdn/shop/products/cobb-08-14-stiimpreza-hatch-stage-2-power-package-9581913.jpg?v=1770336142&width=220)
Cobb Stage 2 Power Package
Fits: 08-14 STI/Impreza Hatch
Regular price $2,875.00Sale price $2,875.00 Regular priceUnit price per$2,875.00 -
![Cobb [11 - 14 STI/Impreza] Stage 3 Power Package - JDMuscleEngine Package DealscobbSUB0031S30-BKStealth Black Intake System](//jdmuscleusa.com/cdn/shop/products/cobb-11-14-stiimpreza-stage-3-power-package-3741046.jpg?v=1770336146&width=220)
![Cobb [11 - 14 STI/Impreza] Stage 3 Power Package - JDMuscleEngine Package DealscobbSUB0031S30-BKStealth Black Intake System](//jdmuscleusa.com/cdn/shop/products/cobb-11-14-stiimpreza-stage-3-power-package-4300073.jpg?v=1770336147&width=220)
Cobb Stage 3 Power Package
Fits: 11-14 STI/Impreza
Regular price $5,500.00Sale price $5,500.00 Regular priceUnit price per$5,500.00
![Nameless Performance [11 - 14 WRX/STI Sedan] Axleback w/ Single Wall 3.5" Polished Tips and Muffler Delete | SUAB11WRXSED - 0MU - 35SSW - JDMuscleAxle Back ExhaustsSUAB11WRXSED-0MU-35SSW](http://jdmuscleusa.com/cdn/shop/products/nameless-performance-11-14-wrxsti-sedan-axleback-w-single-wall-35-polished-tips-and-muffler-delete-suab11wrxsed-0mu-35ssw-5525445.jpg?v=1770335958&width=220)
![Nameless Performance [11 - 14 WRX/STI Sedan] Axleback w/ Single Wall 3.5" Polished Tips and Muffler Delete | SUAB11WRXSED - 0MU - 35SSW - JDMuscleAxle Back ExhaustsSUAB11WRXSED-0MU-35SSW](http://jdmuscleusa.com/cdn/shop/products/nameless-performance-11-14-wrxsti-sedan-axleback-w-single-wall-35-polished-tips-and-muffler-delete-suab11wrxsed-0mu-35ssw-9760811.jpg?v=1770335958&width=220)
![Nameless Performance [11 - 14 WRX/STI Sedan] Axleback w/ Single wall 3.5" Neochrome Tips and Muffler Delete | SUAB11WRXSED - 0MU - 35NEO - JDMuscleAxle Back ExhaustsSUAB11WRXSED-0MU-35NEO](http://jdmuscleusa.com/cdn/shop/products/nameless-performance-11-14-wrxsti-sedan-axleback-w-single-wall-35-neochrome-tips-and-muffler-delete-suab11wrxsed-0mu-35neo-1876612.jpg?v=1770335957&width=220)
![Nameless Performance [11 - 14 WRX/STI Sedan] Axleback w/ Single wall 3.5" Neochrome Tips and Muffler Delete | SUAB11WRXSED - 0MU - 35NEO - JDMuscleAxle Back ExhaustsSUAB11WRXSED-0MU-35NEO](http://jdmuscleusa.com/cdn/shop/products/nameless-performance-11-14-wrxsti-sedan-axleback-w-single-wall-35-neochrome-tips-and-muffler-delete-suab11wrxsed-0mu-35neo-4700596.jpg?v=1770335957&width=220)
![Nameless Performance [11 - 14WRX, 11 - 14 STI] AxleBack w/ Single Wall 3.5" Polished Tips and 5" Mufflers | SUAB11WRXSED - 5MU - 35SSW - JDMuscleAxle Back ExhaustsSUAB11WRXSED-5MU-35SSW](http://jdmuscleusa.com/cdn/shop/products/nameless-performance-11-14wrx-11-14-sti-axleback-w-single-wall-35-polished-tips-and-5-mufflers-suab11wrxsed-5mu-35ssw-9682427.jpg?v=1770335959&width=220)
![Nameless Performance [11 - 14WRX, 11 - 14 STI] AxleBack w/ Single Wall 3.5" Polished Tips and 5" Mufflers | SUAB11WRXSED - 5MU - 35SSW - JDMuscleAxle Back ExhaustsSUAB11WRXSED-5MU-35SSW](http://jdmuscleusa.com/cdn/shop/products/nameless-performance-11-14wrx-11-14-sti-axleback-w-single-wall-35-polished-tips-and-5-mufflers-suab11wrxsed-5mu-35ssw-2696564.jpg?v=1770335959&width=220)
![Cobb [08 - 14 STi/Impreza] Stage 2+ Power Package with V3 Accessport - JDMuscleStaged Power Packagescobb615X62P-BLBlue](http://jdmuscleusa.com/cdn/shop/products/cobb-08-14-stiimpreza-stage-2-power-package-with-v3-accessport-7280543.jpg?v=1770336136&width=220)
![Cobb [08 - 14 STi/Impreza] Stage 2+ Power Package with V3 Accessport - JDMuscleStaged Power Packagescobb615X62P-BLBlue](http://jdmuscleusa.com/cdn/shop/products/cobb-08-14-stiimpreza-stage-2-power-package-with-v3-accessport-3721447.jpg?v=1770336136&width=220)
![Cobb [11 - 14 STI/ Impreza] Stage 2+ Power Package with V3 Accesport - JDMuscleStaged Power Packagescobb615X82P-BKBlack](http://jdmuscleusa.com/cdn/shop/products/cobb-11-14-sti-impreza-stage-2-power-package-with-v3-accesport-8669600.jpg?v=1770336136&width=220)
![Cobb [11 - 14 STI/ Impreza] Stage 2+ Power Package with V3 Accesport - JDMuscleStaged Power Packagescobb615X82P-BKBlack](http://jdmuscleusa.com/cdn/shop/products/cobb-11-14-sti-impreza-stage-2-power-package-with-v3-accesport-8922972.jpg?v=1770336137&width=220)
![Cobb [08 - 14 STI/Impreza] Stage 3 Power Package - JDMuscleStaged Power PackagescobbSUB0031H30-BKStealth Black Intake System](http://jdmuscleusa.com/cdn/shop/products/cobb-08-14-stiimpreza-stage-3-power-package-7165602.jpg?v=1770336140&width=220)
![Cobb [08 - 14 STI/Impreza] Stage 3 Power Package - JDMuscleStaged Power PackagescobbSUB0031H30-BKStealth Black Intake System](http://jdmuscleusa.com/cdn/shop/products/cobb-08-14-stiimpreza-stage-3-power-package-5387741.jpg?v=1770336140&width=220)
![Cobb [08 - 14 STI/Impreza Hatch] Stage 2 Power Package - JDMuscleStaged Power Packagescobb615X62](http://jdmuscleusa.com/cdn/shop/products/cobb-08-14-stiimpreza-hatch-stage-2-power-package-4118172.jpg?v=1770336141&width=220)
![Cobb [08 - 14 STI/Impreza Hatch] Stage 2 Power Package - JDMuscleStaged Power Packagescobb615X62](http://jdmuscleusa.com/cdn/shop/products/cobb-08-14-stiimpreza-hatch-stage-2-power-package-9581913.jpg?v=1770336142&width=220)
![Cobb [11 - 14 STI/Impreza] Stage 3 Power Package - JDMuscleEngine Package DealscobbSUB0031S30-BKStealth Black Intake System](http://jdmuscleusa.com/cdn/shop/products/cobb-11-14-stiimpreza-stage-3-power-package-3741046.jpg?v=1770336146&width=220)
![Cobb [11 - 14 STI/Impreza] Stage 3 Power Package - JDMuscleEngine Package DealscobbSUB0031S30-BKStealth Black Intake System](http://jdmuscleusa.com/cdn/shop/products/cobb-11-14-stiimpreza-stage-3-power-package-4300073.jpg?v=1770336147&width=220)