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] Hyper Pink Cold Air Intake | PSP - INT - 325HP - JDMuscleIntakesperPSP-INT-325HP](//jdmuscleusa.com/cdn/shop/files/perrin-15-21-wrx-hyper-pink-cold-air-intake-psp-int-325hp-6408574.jpg?v=1770330610&width=220)
![Perrin [15 - 21 WRX] Hyper Pink Cold Air Intake | PSP - INT - 325HP - JDMuscleIntakesperPSP-INT-325HP](//jdmuscleusa.com/cdn/shop/files/perrin-15-21-wrx-hyper-pink-cold-air-intake-psp-int-325hp-9445992.jpg?v=1770330610&width=220)
Up to $129.25 offPerrin Hyper Pink Cold Air Intake
Fits: 15-21 WRX
Regular price $387.75Sale price $387.75 Regular priceUnit price per$517.00 -
![COBB [15 - 21 WRX] 16" MAF Extension Harness - JDMuscleIntake Misc.cobbSUB-ELE-007](//jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-16-maf-extension-harness-5629857.jpg?v=1770332245&width=220)
![COBB [15 - 21 WRX] 16" MAF Extension Harness - JDMuscleIntake Misc.cobbSUB-ELE-007](//jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-16-maf-extension-harness-5531004.jpg?v=1770332246&width=220)
In StockCOBB 16" MAF Extension Harness
Fits: 15-21 WRX
Regular price $68.00Sale price $68.00 Regular priceUnit price per$68.00 -
Subaru OEM Donut Gasket Subaru Turbo Models | 44022AA123
Regular price $24.70Sale price $24.70 Regular priceUnit price per$24.70 -
![COBB [15 - 21 WRX] Redline Carbon Fiber Intake - JDMuscleIntakescobb742100](//jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-redline-carbon-fiber-intake-5450266.jpg?v=1770336328&width=220)
![COBB [15 - 21 WRX] Redline Carbon Fiber Intake - JDMuscleIntakescobb742100](//jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-redline-carbon-fiber-intake-1818019.jpg?v=1770336328&width=220)
In StockCOBB Redline Carbon Fiber Intake
Fits: 15-21 WRX
Only 20 leftRegular price $875.00Sale price $875.00 Regular priceUnit price per$875.00 -
In StockCobb Top Mount Intercooler Kit Black
Fits: 15-18 WRX
Only 16 leftRegular price $1,205.00Sale price $1,205.00 Regular priceUnit price per$1,205.00 -
![COBB [15 - 21 WRX] Charge Pipe Kit | 742110 - JDMuscleCharge Pipescobb742110](//jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-charge-pipe-kit-742110-2028963.jpg?v=1770336375&width=220)
![COBB [15 - 21 WRX] Charge Pipe Kit | 742110 - JDMuscleCharge Pipescobb742110](//jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-charge-pipe-kit-742110-8225749.jpg?v=1770336375&width=220)
In StockCOBB Charge Pipe Kit
Fits: 15-21 WRX
Regular price $305.00Sale price $305.00 Regular priceUnit price per$305.00 -
![Cobb [15 - 21 WRX] Big SF Intake System Airbox Hardware Kit | 745110 - HW - JDMuscleIntakescobb745110-HW](//jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-big-sf-intake-system-airbox-hardware-kit-745110-hw-7930260.jpg?v=1770336427&width=220)
In StockCobb Big SF Intake System Airbox Hardware Kit
Fits: 15-21 WRX
Only 12 leftRegular price $15.00Sale price $15.00 Regular priceUnit price per$15.00 -
![COBB [15-21 WRX, 14-18 Forester XT] LF By-Pass Valve | 745670](//jdmuscleusa.com/cdn/shop/files/745665_main.jpg?v=1747676553&width=220)
![COBB [15 - 21 WRX, 14 - 18 Forester XT] LF By - Pass Valve | 745670 - JDMuscleBlow Off Valvescobb745670](//jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-14-18-forester-xt-lf-by-pass-valve-745670-4484332.jpg?v=1770336439&width=220)
In StockCOBB LF By-Pass Valve
Fits: 15-21 WRX, 14-18 Forester XT
Regular price $405.00Sale price $405.00 Regular priceUnit price per$405.00 -
![ETS [15-21 WRX MT] GESI CATTED J-PIPE/DOWN PIPE](//jdmuscleusa.com/cdn/shop/files/15_wrx_Jpipe_987x987_2a0a6167-a0bb-4f9e-955b-e928134c8fa3.jpg?v=1757614833&width=220)
ETS GESI CATTED J-PIPE/DOWN PIPE
Fits: 15-21 WRX MT
Regular price $1,195.00Sale price $1,195.00 Regular priceUnit price per$1,195.00 -
![GrimmSpeed [15-21 WRX] Pully Cover - Black/Red | 09904X](//jdmuscleusa.com/cdn/shop/products/grimmspeed-pully-cover-black-subaru-wrx-2015-2019-engine-covers-and-caps-grimmspeed.jpg?v=1614517869&width=220)
![GrimmSpeed [15-21 WRX] Pully Cover - Black/Red | 09904X](//jdmuscleusa.com/cdn/shop/products/grimmspeed-pully-cover-black-subaru-wrx-2015-2019-engine-covers-and-caps-grimmspeed-2.jpg?v=1614675498&width=220)
GrimmSpeed Pully Cover - Black/Red | 09904X
Fits: 15-21 WRX
Regular price $135.00Sale price $135.00 Regular priceUnit price per$135.00 -
![Perrin [15-21 WRX w/o Eyesight] Wrinkle Black Air Oil Separator Kit | PSP-ENG-609BK](//jdmuscleusa.com/cdn/shop/products/perrin-wrinkle-black-air-oil-separator-kit-subaru-wrx-2015-2019-psp-eng-609bk-air-oil-separators-perrin-performance-papsp-eng-609bk.jpg?v=1737769387&width=220)
![Perrin [15-21 WRX w/o Eyesight] Wrinkle Black Air Oil Separator Kit | PSP-ENG-609BK](//jdmuscleusa.com/cdn/shop/products/perrin-wrinkle-black-air-oil-separator-kit-subaru-wrx-2015-2019-psp-eng-609bk-air-oil-separators-perrin-performance-papsp-eng-609bk-2.jpg?v=1737769388&width=220)
Up to $117.60 offPerrin Wrinkle Black Air Oil Separator Kit | PSP-ENG-609BK
Fits: 15-21 WRX w/o Eyesight
Regular price $470.40Sale price $470.40 Regular priceUnit price per$588.00 -
In StockCP Replacement Piston Ring
Fits: 04-19 WRX/STI EJ257/EJ255
Only 13 leftRegular price $30.25Sale price $30.25 Regular priceUnit price per$30.25 -
Up to $4 off
In StockRadium Engineering DIY Fuel Pump Wiring Kit - Universal
Regular price $75.95Sale price $75.95 Regular priceUnit price per$79.95 -
![Remark [15-21 WRX/STI] Stainless Steel Axle Back w/ Single Wall Burnt Tips | RO-TTVA-S](//jdmuscleusa.com/cdn/shop/files/remark-stainless-steel-axle-back-w-single-wall-burnt-tips-2015-2021-wrx-2015-2021-sti-ro-ttva-s-134440_626x418_254219c0-e39d-4ec0-a0f7-60bc3b1d2ddf.jpg?v=1745512174&width=220)
![Remark [15-21 WRX/STI] Stainless Steel Axle Back w/ Single Wall Burnt Tips | RO-TTVA-S](//jdmuscleusa.com/cdn/shop/files/remark-stainless-steel-axle-back-w-single-wall-burnt-tips-2015-2021-wrx-2015-2021-sti-ro-ttva-s-944538_626x501_56c78d8a-b13a-4acb-b7e6-54c8d0b67ead.jpg?v=1745512174&width=220)
In StockRemark Stainless Steel Axle Back w/ Single Wall Burnt Tips
Fits: 15-21 WRX/STI
Only 4 leftRegular price $695.00Sale price $695.00 Regular priceUnit price per$695.00 -
Up to $774.80 off
In StockInvidia Q300 Cat Back Exhaust w/ Double Wall Stainless Steel Tips | HS15STIG3S
Fits: 15-21 WRX/STI
Only 18 leftRegular price $1,706.00Sale price $1,706.00 Regular priceUnit price per$2,480.80 -
Up to $15.31 off
In StockTurbo XS Billet Aluminum Vacuum Pump Cover - Red
Fits: 15-21 WRX
Only 9 leftRegular price $63.00Sale price $63.00 Regular priceUnit price per$78.31
![Perrin [15 - 21 WRX] Hyper Pink Cold Air Intake | PSP - INT - 325HP - JDMuscleIntakesperPSP-INT-325HP](http://jdmuscleusa.com/cdn/shop/files/perrin-15-21-wrx-hyper-pink-cold-air-intake-psp-int-325hp-6408574.jpg?v=1770330610&width=220)
![Perrin [15 - 21 WRX] Hyper Pink Cold Air Intake | PSP - INT - 325HP - JDMuscleIntakesperPSP-INT-325HP](http://jdmuscleusa.com/cdn/shop/files/perrin-15-21-wrx-hyper-pink-cold-air-intake-psp-int-325hp-9445992.jpg?v=1770330610&width=220)
![COBB [15 - 21 WRX] 16" MAF Extension Harness - JDMuscleIntake Misc.cobbSUB-ELE-007](http://jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-16-maf-extension-harness-5629857.jpg?v=1770332245&width=220)
![COBB [15 - 21 WRX] 16" MAF Extension Harness - JDMuscleIntake Misc.cobbSUB-ELE-007](http://jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-16-maf-extension-harness-5531004.jpg?v=1770332246&width=220)
![COBB [15 - 21 WRX] Redline Carbon Fiber Intake - JDMuscleIntakescobb742100](http://jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-redline-carbon-fiber-intake-5450266.jpg?v=1770336328&width=220)
![COBB [15 - 21 WRX] Redline Carbon Fiber Intake - JDMuscleIntakescobb742100](http://jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-redline-carbon-fiber-intake-1818019.jpg?v=1770336328&width=220)
![COBB [15 - 21 WRX] Charge Pipe Kit | 742110 - JDMuscleCharge Pipescobb742110](http://jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-charge-pipe-kit-742110-2028963.jpg?v=1770336375&width=220)
![COBB [15 - 21 WRX] Charge Pipe Kit | 742110 - JDMuscleCharge Pipescobb742110](http://jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-charge-pipe-kit-742110-8225749.jpg?v=1770336375&width=220)
![Cobb [15 - 21 WRX] Big SF Intake System Airbox Hardware Kit | 745110 - HW - JDMuscleIntakescobb745110-HW](http://jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-big-sf-intake-system-airbox-hardware-kit-745110-hw-7930260.jpg?v=1770336427&width=220)
![COBB [15-21 WRX, 14-18 Forester XT] LF By-Pass Valve | 745670](http://jdmuscleusa.com/cdn/shop/files/745665_main.jpg?v=1747676553&width=220)
![COBB [15 - 21 WRX, 14 - 18 Forester XT] LF By - Pass Valve | 745670 - JDMuscleBlow Off Valvescobb745670](http://jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-14-18-forester-xt-lf-by-pass-valve-745670-4484332.jpg?v=1770336439&width=220)
![ETS [15-21 WRX MT] GESI CATTED J-PIPE/DOWN PIPE](http://jdmuscleusa.com/cdn/shop/files/15_wrx_Jpipe_987x987_2a0a6167-a0bb-4f9e-955b-e928134c8fa3.jpg?v=1757614833&width=220)
![GrimmSpeed [15-21 WRX] Pully Cover - Black/Red | 09904X](http://jdmuscleusa.com/cdn/shop/products/grimmspeed-pully-cover-black-subaru-wrx-2015-2019-engine-covers-and-caps-grimmspeed.jpg?v=1614517869&width=220)
![GrimmSpeed [15-21 WRX] Pully Cover - Black/Red | 09904X](http://jdmuscleusa.com/cdn/shop/products/grimmspeed-pully-cover-black-subaru-wrx-2015-2019-engine-covers-and-caps-grimmspeed-2.jpg?v=1614675498&width=220)
![Perrin [15-21 WRX w/o Eyesight] Wrinkle Black Air Oil Separator Kit | PSP-ENG-609BK](http://jdmuscleusa.com/cdn/shop/products/perrin-wrinkle-black-air-oil-separator-kit-subaru-wrx-2015-2019-psp-eng-609bk-air-oil-separators-perrin-performance-papsp-eng-609bk.jpg?v=1737769387&width=220)
![Perrin [15-21 WRX w/o Eyesight] Wrinkle Black Air Oil Separator Kit | PSP-ENG-609BK](http://jdmuscleusa.com/cdn/shop/products/perrin-wrinkle-black-air-oil-separator-kit-subaru-wrx-2015-2019-psp-eng-609bk-air-oil-separators-perrin-performance-papsp-eng-609bk-2.jpg?v=1737769388&width=220)
![Remark [15-21 WRX/STI] Stainless Steel Axle Back w/ Single Wall Burnt Tips | RO-TTVA-S](http://jdmuscleusa.com/cdn/shop/files/remark-stainless-steel-axle-back-w-single-wall-burnt-tips-2015-2021-wrx-2015-2021-sti-ro-ttva-s-134440_626x418_254219c0-e39d-4ec0-a0f7-60bc3b1d2ddf.jpg?v=1745512174&width=220)
![Remark [15-21 WRX/STI] Stainless Steel Axle Back w/ Single Wall Burnt Tips | RO-TTVA-S](http://jdmuscleusa.com/cdn/shop/files/remark-stainless-steel-axle-back-w-single-wall-burnt-tips-2015-2021-wrx-2015-2021-sti-ro-ttva-s-944538_626x501_56c78d8a-b13a-4acb-b7e6-54c8d0b67ead.jpg?v=1745512174&width=220)
