Elevate the performance of your 2015-2021 Subaru WRX to exhilarating heights with our premium selection of high-quality engine parts. Unleash the full potential of your vehicle's powerplant by exploring our meticulously curated range of performance-enhancing components, designed to optimize every aspect of your driving experience. From turbochargers that deliver impressive horsepower gains to precision-engineered air intake systems that enhance airflow and responsiveness, our collection offers a comprehensive array of aftermarket upgrades to suit your specific performance goals. Our step-by-step installation tips ensure a seamless integration process, whether you're a seasoned auto enthusiast or a first-time DIYer, while our maintenance insights empower you to keep your upgraded engine running smoothly for years to come. Transform your Subaru WRX into a true powerhouse on the road with our premium engine parts, carefully selected to deliver unparalleled performance, efficiency, and driving satisfaction. Unlock the true potential of your WRX today and experience a driving experience like no other.
2015-2021 Subaru WRX Engine Parts
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![Invidia [08-14 WRX, 08-21 STI] High Flow Cat w/ Extra 02 Bung Downpipe | HS08SW1DOC](//jdmuscleusa.com/cdn/shop/products/HS08SW1DOC_19b4e6d0-dee2-44d1-b6d5-bb1d139c297c.gif?v=1573673614&width=220)
![Invidia [08-14 WRX, 08-21 STI] High Flow Cat w/ Extra 02 Bung Downpipe | HS08SW1DOC](//jdmuscleusa.com/cdn/shop/products/HS08SW1DOC_2.gif?v=1573673614&width=220)
Up to $446 off
In StockInvidia High Flow Cat w/ Extra 02 Bung Downpipe
Fits: 08-14 WRX, 08-21 STI
Regular price $982.00Sale price $982.00 Regular priceUnit price per$1,428.00 -
Up to $30 off
In StockInvidia Stock Downpipe to 3in Exhaust Adapter - Universal
Regular price $68.00Sale price $68.00 Regular priceUnit price per$98.00 -
Up to $22 off
In StockPerrin Battery Tie Down Neon Yellow
Fits: Most Subaru Models
Regular price $66.00Sale price $66.00 Regular priceUnit price per$88.00 -
![Extreme Online Store [15 - 21 WRX] High - Flow Cat J - Pipe Exhaust | EXT - JP032 - JDMuscleFront Pipes and Downpipes / J - PipesEXT-JP032](//jdmuscleusa.com/cdn/shop/files/extreme-online-store-15-21-wrx-high-flow-cat-j-pipe-exhaust-ext-jp032-7132084.jpg?v=1770326780&width=220)
![Extreme Online Store [15 - 21 WRX] High - Flow Cat J - Pipe Exhaust | EXT - JP032 - JDMuscleFront Pipes and Downpipes / J - PipesEXT-JP032](//jdmuscleusa.com/cdn/shop/files/extreme-online-store-15-21-wrx-high-flow-cat-j-pipe-exhaust-ext-jp032-4075495.jpg?v=1770326780&width=220)
EOS High-Flow Cat J-Pipe Exhaust
Fits: 15-21 WRX
Regular price $340.00Sale price $340.00 Regular priceUnit price per$299.98 -
![Perrin [15-21 WRX, 14-18 Forester XT] Red 3in Turbo Inlet Hose w/ Nozzle](//jdmuscleusa.com/cdn/shop/files/perrin-turbo-inlet-hose-red-2015-2021-wrx-psp-int-424rd-469979_791x550_e013676a-7acd-4065-b756-fbf7db57924f.jpg?v=1782934366&width=220)
![Perrin [15-21 WRX, 14-18 Forester XT] Red 3in Turbo Inlet Hose w/ Nozzle](//jdmuscleusa.com/cdn/shop/files/perrin-turbo-inlet-hose-red-2015-2021-wrx-psp-int-424rd-658874_695x484_6c2a05fc-1c76-41dc-ac90-c7e763bb1fc0.jpg?v=1781203822&width=220)
Up to $56.25 off
In StockPerrin Red 3in Turbo Inlet Hose w/ Nozzle
Fits: 15-21 WRX, 14-18 Forester XT
Regular price $168.75Sale price $168.75 Regular priceUnit price per$225.00 -
GrimmSpeed Exhaust Gasket Set 15-21 WRX | 020043
Regular price $135.00Sale price $135.00 Regular priceUnit price per$135.00 -
Up to $51 offBLOX Racing Charge Pipe Kit
Fits: 15-21 WRX
Regular price $204.00Sale price $204.00 Regular priceUnit price per$255.00 -
![GrimmSpeed [02-07 WRX, 04-21 STI] Blow Off Valve Flange Gasket | 020023](//jdmuscleusa.com/cdn/shop/products/grimmspeed-subaru-intercooler-bov-gasket-wrx-2002-2005-sti-2004-2020-020023-gaskets-grimmspeed-grm020023.jpg?v=1614517904&width=220)
![GrimmSpeed [02-07 WRX, 04-21 STI] Blow Off Valve Flange Gasket | 020023](//jdmuscleusa.com/cdn/shop/products/grimmspeed-subaru-intercooler-bov-gasket-wrx-2002-2005-sti-2004-2020-020023-gaskets-grimmspeed-grm020023-2.jpg?v=1614675514&width=220)
GrimmSpeed Blow Off Valve Flange Gasket
Fits: 02-07 WRX, 04-21 STI
Regular price $29.00Sale price $29.00 Regular priceUnit price per$29.00 -
In StockRevel GT Dry Carbon Fuse Box Cover - 1 Piece
Fits: 15-21 WRX/STI
Regular price $137.75Sale price $137.75 Regular priceUnit price per$137.75 -
![Perrin [15-21 WRX] Engine Cover Kit Black | PSP-ENG-165BK](//jdmuscleusa.com/cdn/shop/products/perrin-engine-cover-kit-black-subaru-wrx-2015-2020-psp-eng-165bk-engine-covers-perrin-performance-papsp-eng-165bk.jpg?v=1737769361&width=220)
![Perrin [15-21 WRX] Engine Cover Kit Black | PSP-ENG-165BK](//jdmuscleusa.com/cdn/shop/products/perrin-engine-cover-kit-black-subaru-wrx-2015-2020-psp-eng-165bk-engine-covers-perrin-performance-papsp-eng-165bk-2.jpg?v=1737769361&width=220)
Up to $88 off
In StockPerrin Engine Cover Kit Black
Fits: 15-21 WRX
Only 18 leftRegular price $264.00Sale price $264.00 Regular priceUnit price per$352.00 -
![Cobb [08 - 14 WRX/ 08 - 21 STI] Redline Carbon Fiber Alternator Cover Gloss Finish | 422600 - JDMuscleAlternator Coverscobb422600](//jdmuscleusa.com/cdn/shop/products/cobb-08-14-wrx-08-21-sti-redline-carbon-fiber-alternator-cover-gloss-finish-422600-8998082.jpg?v=1770336383&width=220)
![Cobb [08 - 14 WRX/ 08 - 21 STI] Redline Carbon Fiber Alternator Cover Gloss Finish | 422600 - JDMuscleAlternator Coverscobb422600](//jdmuscleusa.com/cdn/shop/products/cobb-08-14-wrx-08-21-sti-redline-carbon-fiber-alternator-cover-gloss-finish-422600-5259871.jpg?v=1770336383&width=220)
In StockCobb Redline Carbon Fiber Alternator Cover Gloss Finish
Fits: 08-14 WRX, 08-21 STI
Only 15 leftRegular price $183.00Sale price $183.00 Regular priceUnit price per$183.00 -
![COBB [15 - 21 WRX] SF Intake System - Black - JDMuscleIntakescobb745120](//jdmuscleusa.com/cdn/shop/files/cobb-15-21-wrx-sf-intake-system-black-3566735.jpg?v=1770327918&width=220)
![COBB [15 - 21 WRX] SF Intake System - Black - JDMuscleIntakescobb745120](//jdmuscleusa.com/cdn/shop/files/cobb-15-21-wrx-sf-intake-system-black-6295793.jpg?v=1770327918&width=220)
In StockCOBB SF Intake System-Black
Fits: 15-21 WRX
Regular price $545.00Sale price $545.00 Regular priceUnit price per$545.00 -
![PLM [2015-2021 WRX] Power Driven J-Pipe Downpipe 6MT | PLM-SUB-JP-DP-15-CAT](//jdmuscleusa.com/cdn/shop/products/PLM-SUB-JP-DP-15-2T.jpg?v=1748367026&width=220)
Up to $220 offPLM Power Driven J-Pipe Downpipe 6MT | PLM-SUB-JP-DP-15-CAT
Fits: 15-21 WRX
Regular price $575.00Sale price $575.00 Regular priceUnit price per$795.00 -
![AWE [11-21 WRX/STI Sedan] Track Cat Back Exhaust Diamond Black Quad Tips 102mm | 3020-43066](//jdmuscleusa.com/cdn/shop/products/3020-43066.png?v=1635799857&width=220)
![AWE [11-21 WRX/STI Sedan] Track Cat Back Exhaust Diamond Black Quad Tips 102mm | 3020-43066](//jdmuscleusa.com/cdn/shop/products/awe-track-cat-back-exhaust-subaru-wrx-sti-sedan-2011-2019-diamond-black-quad-tips-102mm-3020-43066-cat-back-exhaust-system-awe-tuning-awe3020-43066-2.jpg?v=1633201817&width=220)
Up to $62.89 offAWE Track Cat Back Exhaust Diamond Black Quad Tips 102mm | 3020-43066
Fits: 11-21 WRX/STI Sedan
Regular price $1,195.00Sale price $1,195.00 Regular priceUnit price per$1,257.89 -
![COBB [15 - 21 WRX, 14 - 18 Forester XT] Cast Turbo Inlet - JDMuscleTurbo Inlet Hoses and Pipescobb745450](//jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-14-18-forester-xt-cast-turbo-inlet-8065619.jpg?v=1770330623&width=220)
![COBB [15 - 21 WRX, 14 - 18 Forester XT] Cast Turbo Inlet - JDMuscleTurbo Inlet Hoses and Pipescobb745450](//jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-14-18-forester-xt-cast-turbo-inlet-8179429.jpg?v=1770330623&width=220)
In StockCOBB Cast Turbo Inlet
Fits: 15-21 WRX, 14-18 Forester XT
Regular price $265.00Sale price $265.00 Regular priceUnit price per$265.00 -
![Grimmspeed [15-21 WRX/STI] Fender Shroud - Red | 096048](//jdmuscleusa.com/cdn/shop/products/grimmspeed-fender-shroud-red-subaru-wrx-sti-2015-2020-096048-fender-shrouds-grimmspeed-grm096048.jpg?v=1614517712&width=220)
![Grimmspeed [15-21 WRX/STI] Fender Shroud - Red | 096048](//jdmuscleusa.com/cdn/shop/products/grimmspeed-fender-shroud-red-subaru-wrx-sti-2015-2020-096048-fender-shrouds-grimmspeed-grm096048-2.jpg?v=1614675409&width=220)
In StockGrimmspeed Fender Shroud - Red | 096048
Fits: 15-21 WRX/STI
Only 8 leftRegular price $124.00Sale price $124.00 Regular priceUnit price per$124.00
![Invidia [08-14 WRX, 08-21 STI] High Flow Cat w/ Extra 02 Bung Downpipe | HS08SW1DOC](http://jdmuscleusa.com/cdn/shop/products/HS08SW1DOC_19b4e6d0-dee2-44d1-b6d5-bb1d139c297c.gif?v=1573673614&width=220)
![Invidia [08-14 WRX, 08-21 STI] High Flow Cat w/ Extra 02 Bung Downpipe | HS08SW1DOC](http://jdmuscleusa.com/cdn/shop/products/HS08SW1DOC_2.gif?v=1573673614&width=220)
![Extreme Online Store [15 - 21 WRX] High - Flow Cat J - Pipe Exhaust | EXT - JP032 - JDMuscleFront Pipes and Downpipes / J - PipesEXT-JP032](http://jdmuscleusa.com/cdn/shop/files/extreme-online-store-15-21-wrx-high-flow-cat-j-pipe-exhaust-ext-jp032-7132084.jpg?v=1770326780&width=220)
![Extreme Online Store [15 - 21 WRX] High - Flow Cat J - Pipe Exhaust | EXT - JP032 - JDMuscleFront Pipes and Downpipes / J - PipesEXT-JP032](http://jdmuscleusa.com/cdn/shop/files/extreme-online-store-15-21-wrx-high-flow-cat-j-pipe-exhaust-ext-jp032-4075495.jpg?v=1770326780&width=220)
![Perrin [15-21 WRX, 14-18 Forester XT] Red 3in Turbo Inlet Hose w/ Nozzle](http://jdmuscleusa.com/cdn/shop/files/perrin-turbo-inlet-hose-red-2015-2021-wrx-psp-int-424rd-469979_791x550_e013676a-7acd-4065-b756-fbf7db57924f.jpg?v=1782934366&width=220)
![Perrin [15-21 WRX, 14-18 Forester XT] Red 3in Turbo Inlet Hose w/ Nozzle](http://jdmuscleusa.com/cdn/shop/files/perrin-turbo-inlet-hose-red-2015-2021-wrx-psp-int-424rd-658874_695x484_6c2a05fc-1c76-41dc-ac90-c7e763bb1fc0.jpg?v=1781203822&width=220)
![GrimmSpeed [02-07 WRX, 04-21 STI] Blow Off Valve Flange Gasket | 020023](http://jdmuscleusa.com/cdn/shop/products/grimmspeed-subaru-intercooler-bov-gasket-wrx-2002-2005-sti-2004-2020-020023-gaskets-grimmspeed-grm020023.jpg?v=1614517904&width=220)
![GrimmSpeed [02-07 WRX, 04-21 STI] Blow Off Valve Flange Gasket | 020023](http://jdmuscleusa.com/cdn/shop/products/grimmspeed-subaru-intercooler-bov-gasket-wrx-2002-2005-sti-2004-2020-020023-gaskets-grimmspeed-grm020023-2.jpg?v=1614675514&width=220)
![Perrin [15-21 WRX] Engine Cover Kit Black | PSP-ENG-165BK](http://jdmuscleusa.com/cdn/shop/products/perrin-engine-cover-kit-black-subaru-wrx-2015-2020-psp-eng-165bk-engine-covers-perrin-performance-papsp-eng-165bk.jpg?v=1737769361&width=220)
![Perrin [15-21 WRX] Engine Cover Kit Black | PSP-ENG-165BK](http://jdmuscleusa.com/cdn/shop/products/perrin-engine-cover-kit-black-subaru-wrx-2015-2020-psp-eng-165bk-engine-covers-perrin-performance-papsp-eng-165bk-2.jpg?v=1737769361&width=220)
![Cobb [08 - 14 WRX/ 08 - 21 STI] Redline Carbon Fiber Alternator Cover Gloss Finish | 422600 - JDMuscleAlternator Coverscobb422600](http://jdmuscleusa.com/cdn/shop/products/cobb-08-14-wrx-08-21-sti-redline-carbon-fiber-alternator-cover-gloss-finish-422600-8998082.jpg?v=1770336383&width=220)
![Cobb [08 - 14 WRX/ 08 - 21 STI] Redline Carbon Fiber Alternator Cover Gloss Finish | 422600 - JDMuscleAlternator Coverscobb422600](http://jdmuscleusa.com/cdn/shop/products/cobb-08-14-wrx-08-21-sti-redline-carbon-fiber-alternator-cover-gloss-finish-422600-5259871.jpg?v=1770336383&width=220)
![COBB [15 - 21 WRX] SF Intake System - Black - JDMuscleIntakescobb745120](http://jdmuscleusa.com/cdn/shop/files/cobb-15-21-wrx-sf-intake-system-black-3566735.jpg?v=1770327918&width=220)
![COBB [15 - 21 WRX] SF Intake System - Black - JDMuscleIntakescobb745120](http://jdmuscleusa.com/cdn/shop/files/cobb-15-21-wrx-sf-intake-system-black-6295793.jpg?v=1770327918&width=220)
![PLM [2015-2021 WRX] Power Driven J-Pipe Downpipe 6MT | PLM-SUB-JP-DP-15-CAT](http://jdmuscleusa.com/cdn/shop/products/PLM-SUB-JP-DP-15-2T.jpg?v=1748367026&width=220)
![AWE [11-21 WRX/STI Sedan] Track Cat Back Exhaust Diamond Black Quad Tips 102mm | 3020-43066](http://jdmuscleusa.com/cdn/shop/products/3020-43066.png?v=1635799857&width=220)
![AWE [11-21 WRX/STI Sedan] Track Cat Back Exhaust Diamond Black Quad Tips 102mm | 3020-43066](http://jdmuscleusa.com/cdn/shop/products/awe-track-cat-back-exhaust-subaru-wrx-sti-sedan-2011-2019-diamond-black-quad-tips-102mm-3020-43066-cat-back-exhaust-system-awe-tuning-awe3020-43066-2.jpg?v=1633201817&width=220)
![COBB [15 - 21 WRX, 14 - 18 Forester XT] Cast Turbo Inlet - JDMuscleTurbo Inlet Hoses and Pipescobb745450](http://jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-14-18-forester-xt-cast-turbo-inlet-8065619.jpg?v=1770330623&width=220)
![COBB [15 - 21 WRX, 14 - 18 Forester XT] Cast Turbo Inlet - JDMuscleTurbo Inlet Hoses and Pipescobb745450](http://jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-14-18-forester-xt-cast-turbo-inlet-8179429.jpg?v=1770330623&width=220)
![Grimmspeed [15-21 WRX/STI] Fender Shroud - Red | 096048](http://jdmuscleusa.com/cdn/shop/products/grimmspeed-fender-shroud-red-subaru-wrx-sti-2015-2020-096048-fender-shrouds-grimmspeed-grm096048.jpg?v=1614517712&width=220)
![Grimmspeed [15-21 WRX/STI] Fender Shroud - Red | 096048](http://jdmuscleusa.com/cdn/shop/products/grimmspeed-fender-shroud-red-subaru-wrx-sti-2015-2020-096048-fender-shrouds-grimmspeed-grm096048-2.jpg?v=1614675409&width=220)