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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![Perrin [15 - 21 WRX] Engine Cover Kit - Intercooler Shroud + Pulley Cover - Hyper Pink | PSP - ENG - 165HP - JDMuscleEngine CoversperPSP-ENG-165HP](//jdmuscleusa.com/cdn/shop/products/perrin-15-21-wrx-engine-cover-kit-intercooler-shroud-pulley-cover-hyper-pink-psp-eng-165hp-6366990.jpg?v=1770330556&width=220)
![Perrin [15 - 21 WRX] Engine Cover Kit - Intercooler Shroud + Pulley Cover - Hyper Pink | PSP - ENG - 165HP - JDMuscleEngine CoversperPSP-ENG-165HP](//jdmuscleusa.com/cdn/shop/products/perrin-15-21-wrx-engine-cover-kit-intercooler-shroud-pulley-cover-hyper-pink-psp-eng-165hp-3749594.jpg?v=1770330556&width=220)
Up to $92.50 offPerrin Engine Cover Kit - Intercooler Shroud + Pulley Cover - Hyper Pink | PSP-ENG-165HP
Fits: 15-21 WRX
Regular price $277.50Sale price $277.50 Regular priceUnit price per$370.00 -
![HKS [15 - 21 WRX] Super SQV4 Blow Off Valve Black Edition | 71008 - KF015B - JDMuscleBlow Off Valveshks71008-KF015B](//jdmuscleusa.com/cdn/shop/products/hks-15-21-wrx-super-sqv4-blow-off-valve-black-edition-71008-kf015b-2982673.jpg?v=1770331689&width=220)
![HKS [15 - 21 WRX] Super SQV4 Blow Off Valve Black Edition | 71008 - KF015B - JDMuscleBlow Off Valveshks71008-KF015B](//jdmuscleusa.com/cdn/shop/products/hks-15-21-wrx-super-sqv4-blow-off-valve-black-edition-71008-kf015b-7852621.jpg?v=1770331689&width=220)
In StockHKS Super SQV4 Blow Off Valve Black Edition | 71008-KF015B
Fits: 15-21 WRX
Only 6 leftRegular price $405.00Sale price $405.00 Regular priceUnit price per$405.00 -
Up to $17.50 off
In StockPerrin Turbo Support Bracket 2pc Kit | PSP-EXT-235BK
Fits: 15-21 WRX
Only 14 leftRegular price $52.50Sale price $52.50 Regular priceUnit price per$70.00 -
![Cobb [15 - 21 WRX] Top Mount Intercooler Black - JDMuscleIntercoolerscobbB42405-BK](//jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-top-mount-intercooler-black-3399545.jpg?v=1770336323&width=220)
![Cobb [15 - 21 WRX] Top Mount Intercooler Black - JDMuscleIntercoolerscobbB42405-BK](//jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-top-mount-intercooler-black-9122740.jpg?v=1770336324&width=220)
In StockCobb Top Mount Intercooler Black
Fits: 15-21 WRX
Only 16 leftRegular price $985.00Sale price $985.00 Regular priceUnit price per$985.00 -
![Cobb [15 - 21 WRX] Air Oil Separator | 843615 - JDMuscleAir Oil Separatorscobb843615](//jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-air-oil-separator-843615-5123435.jpg?v=1770336435&width=220)
![Cobb [15 - 21 WRX] Air Oil Separator | 843615 - JDMuscleAir Oil Separatorscobb843615](//jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-air-oil-separator-843615-4052145.jpg?v=1770336435&width=220)
In StockCobb Air Oil Separator
Fits: 15-21 WRX
Only 8 leftRegular price $610.00Sale price $610.00 Regular priceUnit price per$610.00 -
![Nostrum Performance [15-21 WRX] High Pressure Fuel Pump | H136-0571](//jdmuscleusa.com/cdn/shop/products/nostrum-nos1-h136-0571-14400033128518_901x.progressive_495ce4ab-e8e8-4d75-bfb1-8addff4914fa.jpg?v=1733099285&width=220)
![Nostrum Performance [15-21 WRX] High Pressure Fuel Pump | H136-0571](//jdmuscleusa.com/cdn/shop/products/nostrum-nos1-h136-0571-14400033161286_901x.progressive_c4e05016-3df1-4f0b-b6a6-bf614eb4626e.jpg?v=1620599659&width=220)
Nostrum Performance High Pressure Fuel Pump
Fits: 15-21 WRX
Regular price $1,183.00Sale price $1,183.00 Regular priceUnit price per$1,183.00 -
In StockGrimmSpeed Radiator Hose Kit - Red WRX 15-21/ Forester XT 2014-2017 | 405328
Only 1 leftRegular price $148.00Sale price $148.00 Regular priceUnit price per$148.00 -
![Perrin [15-21 WRX] Neon Yellow Pulley Cover | PSP-ENG-152NY](//jdmuscleusa.com/cdn/shop/products/perrin-neon-yellow-pulley-cover-subaru-wrx-2015-2020-psp-eng-152ny-alternator-covers-perrin-performance-papsp-eng-152ny.jpg?v=1737769330&width=220)
![Perrin [15-21 WRX] Neon Yellow Pulley Cover | PSP-ENG-152NY](//jdmuscleusa.com/cdn/shop/products/perrin-neon-yellow-pulley-cover-subaru-wrx-2015-2020-psp-eng-152ny-alternator-covers-perrin-performance-papsp-eng-152ny-2.jpg?v=1737769330&width=220)
Up to $48 off
In StockPerrin Neon Yellow Pulley Cover | PSP-ENG-152NY
Fits: 15-21 WRX
Only 9 leftRegular price $144.00Sale price $144.00 Regular priceUnit price per$192.00 -
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 -
Up to $164 offPerrin Neon Yellow Air Oil Separator Kit WRX 15-21 w/o Eyesight | PSP-ENG-609NY
Regular price $424.00Sale price $424.00 Regular priceUnit price per$588.00 -
Up to $31.99 off
In StockEagle 02-14 WRX/ 04-21 STI Connecting Rods
Only 10 leftRegular price $375.00Sale price $375.00 Regular priceUnit price per$406.99 -
In StockProthane Universal Super Grease - 0.5oz Pack of 3 - Red
Regular price $11.00Sale price $11.00 Regular priceUnit price per$11.00 -
In StockInjector Dymanics Fuel Injector PnP Adapter USCAR to Denso - Universal
Regular price $17.33Sale price $17.33 Regular priceUnit price per$17.33 -
In StockRemark Stainless Steel Axle Back w/ Double Wall Burnt Tips | RO-TTVA-D
Fits: 15-21 WRX/STI
Regular price $715.00Sale price $715.00 Regular priceUnit price per$715.00 -
![Remark [15-21 WRX/STI] Axle Back Exhaust Stainless Single Wall Tips | RO-TSVA-S](//jdmuscleusa.com/cdn/shop/products/remark-axle-back-exhaust-stainless-single-wall-tips-subaru-wrxsti-2015-2019-axle-back-exhausts-remark-ro-tsva-s.jpg?v=1745512177&width=220)
In StockRemark Axle Back Exhaust Stainless Single Wall Tips | RO-TSVA-S
Fits: 15-21 WRX/STI
Regular price $595.00Sale price $595.00 Regular priceUnit price per$595.00 -
![Borla [15-21 WRX/STI] S-Type Cat Back Exhaust w/ Stainless Steel Tips | 140595](//jdmuscleusa.com/cdn/shop/products/borla-s-type-atak-quad-tip-cat-back-exhaust-subaru-wrx-sti-2015-2019-140595-cat-back-exhaust-system-borla-bor140595.jpg?v=1614510291&width=220)
![Borla [15-21 WRX/STI] S-Type Cat Back Exhaust w/ Stainless Steel Tips | 140595](//jdmuscleusa.com/cdn/shop/products/borla-s-type-atak-quad-tip-cat-back-exhaust-subaru-wrx-sti-2015-2019-140595-cat-back-exhaust-system-borla-bor140595-2.jpg?v=1614672886&width=220)
Up to $216 off
In StockBorla S-Type Cat Back Exhaust w/ Stainless Steel Tips | 140595
Fits: 15-21 WRX/STI
Only 5 leftRegular price $1,799.99Sale price $1,799.99 Regular priceUnit price per$2,015.99
![Perrin [15 - 21 WRX] Engine Cover Kit - Intercooler Shroud + Pulley Cover - Hyper Pink | PSP - ENG - 165HP - JDMuscleEngine CoversperPSP-ENG-165HP](http://jdmuscleusa.com/cdn/shop/products/perrin-15-21-wrx-engine-cover-kit-intercooler-shroud-pulley-cover-hyper-pink-psp-eng-165hp-6366990.jpg?v=1770330556&width=220)
![Perrin [15 - 21 WRX] Engine Cover Kit - Intercooler Shroud + Pulley Cover - Hyper Pink | PSP - ENG - 165HP - JDMuscleEngine CoversperPSP-ENG-165HP](http://jdmuscleusa.com/cdn/shop/products/perrin-15-21-wrx-engine-cover-kit-intercooler-shroud-pulley-cover-hyper-pink-psp-eng-165hp-3749594.jpg?v=1770330556&width=220)
![HKS [15 - 21 WRX] Super SQV4 Blow Off Valve Black Edition | 71008 - KF015B - JDMuscleBlow Off Valveshks71008-KF015B](http://jdmuscleusa.com/cdn/shop/products/hks-15-21-wrx-super-sqv4-blow-off-valve-black-edition-71008-kf015b-2982673.jpg?v=1770331689&width=220)
![HKS [15 - 21 WRX] Super SQV4 Blow Off Valve Black Edition | 71008 - KF015B - JDMuscleBlow Off Valveshks71008-KF015B](http://jdmuscleusa.com/cdn/shop/products/hks-15-21-wrx-super-sqv4-blow-off-valve-black-edition-71008-kf015b-7852621.jpg?v=1770331689&width=220)
![Cobb [15 - 21 WRX] Top Mount Intercooler Black - JDMuscleIntercoolerscobbB42405-BK](http://jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-top-mount-intercooler-black-3399545.jpg?v=1770336323&width=220)
![Cobb [15 - 21 WRX] Top Mount Intercooler Black - JDMuscleIntercoolerscobbB42405-BK](http://jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-top-mount-intercooler-black-9122740.jpg?v=1770336324&width=220)
![Cobb [15 - 21 WRX] Air Oil Separator | 843615 - JDMuscleAir Oil Separatorscobb843615](http://jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-air-oil-separator-843615-5123435.jpg?v=1770336435&width=220)
![Cobb [15 - 21 WRX] Air Oil Separator | 843615 - JDMuscleAir Oil Separatorscobb843615](http://jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-air-oil-separator-843615-4052145.jpg?v=1770336435&width=220)
![Nostrum Performance [15-21 WRX] High Pressure Fuel Pump | H136-0571](http://jdmuscleusa.com/cdn/shop/products/nostrum-nos1-h136-0571-14400033128518_901x.progressive_495ce4ab-e8e8-4d75-bfb1-8addff4914fa.jpg?v=1733099285&width=220)
![Nostrum Performance [15-21 WRX] High Pressure Fuel Pump | H136-0571](http://jdmuscleusa.com/cdn/shop/products/nostrum-nos1-h136-0571-14400033161286_901x.progressive_c4e05016-3df1-4f0b-b6a6-bf614eb4626e.jpg?v=1620599659&width=220)
![Perrin [15-21 WRX] Neon Yellow Pulley Cover | PSP-ENG-152NY](http://jdmuscleusa.com/cdn/shop/products/perrin-neon-yellow-pulley-cover-subaru-wrx-2015-2020-psp-eng-152ny-alternator-covers-perrin-performance-papsp-eng-152ny.jpg?v=1737769330&width=220)
![Perrin [15-21 WRX] Neon Yellow Pulley Cover | PSP-ENG-152NY](http://jdmuscleusa.com/cdn/shop/products/perrin-neon-yellow-pulley-cover-subaru-wrx-2015-2020-psp-eng-152ny-alternator-covers-perrin-performance-papsp-eng-152ny-2.jpg?v=1737769330&width=220)
![Remark [15-21 WRX/STI] Axle Back Exhaust Stainless Single Wall Tips | RO-TSVA-S](http://jdmuscleusa.com/cdn/shop/products/remark-axle-back-exhaust-stainless-single-wall-tips-subaru-wrxsti-2015-2019-axle-back-exhausts-remark-ro-tsva-s.jpg?v=1745512177&width=220)
![Borla [15-21 WRX/STI] S-Type Cat Back Exhaust w/ Stainless Steel Tips | 140595](http://jdmuscleusa.com/cdn/shop/products/borla-s-type-atak-quad-tip-cat-back-exhaust-subaru-wrx-sti-2015-2019-140595-cat-back-exhaust-system-borla-bor140595.jpg?v=1614510291&width=220)
![Borla [15-21 WRX/STI] S-Type Cat Back Exhaust w/ Stainless Steel Tips | 140595](http://jdmuscleusa.com/cdn/shop/products/borla-s-type-atak-quad-tip-cat-back-exhaust-subaru-wrx-sti-2015-2019-140595-cat-back-exhaust-system-borla-bor140595-2.jpg?v=1614672886&width=220)