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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Up to $743.80 off
In StockInvidia Full Titanium Cat Back Exhaust | HS15SW4TRG
Fits: 15-21 WRX/STI
Only 1 leftRegular price $1,359.00Sale price $1,359.00 Regular priceUnit price per$2,102.80 -
Up to $614 offInvidia N1 Titanium Cat Back Exhaust WRX/STI 15-21 | HS15STIDTG
Regular price $1,352.00Sale price $1,352.00 Regular priceUnit price per$1,966.00 -
![Invidia [15-21 WRX/STI] Gemini R400 Full Titanium Catback Exhaust](//jdmuscleusa.com/cdn/shop/files/DSC_1114_1080x1080_93d6a43d-8f45-48fe-ad4f-60a962205e08.jpg?v=1784053861&width=220)
![Invidia [15-21 WRX/STI] Gemini R400 Full Titanium Catback Exhaust](//jdmuscleusa.com/cdn/shop/files/DSC_1120_1080x1080_4d9a4dd8-b6df-4b8c-b8a9-1c94650245ba.jpg?v=1784053879&width=220)
Up to $871 offInvidia Gemini R400 Full Titanium Catback Exhaust
Fits: 15-21 WRX/STI
Regular price $1,917.00Sale price $1,917.00 Regular priceUnit price per$2,788.00 -
Remark Cat Back Exhaust Titanium Stainless Single Wall Tip w/Resonated Mid Pipe- Discontinuing NO RETURNS
Fits: 15-21 WRX/STI
Regular price $1,170.00Sale price $1,170.00 Regular priceUnit price per$1,170.00 -
Remark Sports Touring Non Resonated Cat Back w/ Polished Stainless Tips | RK-C4076S-01
Fits: 15-21 WRX/STI
Regular price $1,395.00Sale price $1,395.00 Regular priceUnit price per$1,395.00 -
Remark Sports Touring Resonated Cat Back w/ Polished Stainless Tips | RK-C4076S-01C
Fits: 15-21 WRX/STI
Regular price $1,495.00Sale price $1,495.00 Regular priceUnit price per$1,495.00 -
Up to $15.31 offTurbo XS 15-21 WRX Billet Aluminum Vacuum Pump Cover - Silver | W15-VPC-SIL
Regular price $63.00Sale price $63.00 Regular priceUnit price per$78.31 -
Up to $15.31 off
In StockTurbo XS 15-21 WRX Aluminum Vacuum Pump Cover Blue | W15-VPC-BLU
Only 3 leftRegular price $63.00Sale price $63.00 Regular priceUnit price per$78.31 -
Ferrea Competition Plus Individual Exhaust Valve | 2013-2020 Scion FR-S / Subaru BRZ FA20 | F2359P
Regular price $337.75Sale price $337.75 Regular priceUnit price per$337.75 -
Verus Engineering 13-23 BRZ / 22-23 GR86/ 15-25 WRX/ 14-18 Forester XT/ 20-23 Outback XT/ 20-23 Legacy XT Cam Solenoid Cover | A0013A-RED
Regular price $190.30Sale price $190.30 Regular priceUnit price per$175.95 -
Verus Engineering 13-23 BRZ / 22-23 GR86/ 15-25 WRX/ 14-18 Forester XT/ 20-23 Outback XT/ 20-23 Legacy XT Cam Solenoid Cover | A0013A-BLU
Regular price $190.30Sale price $190.30 Regular priceUnit price per$175.95 -
Verus Engineering 13-23 BRZ/ 22-23 GR86/ 15-25 WRX/ 14-18 Forester XT/ 20-23 Outback XT/ 20-23 Legacy XT Anodized Black Cam Sensor | A0013A-BLK
Regular price $190.30Sale price $190.30 Regular priceUnit price per$175.95 -
Up to $13.75 offRevel 08-14 WRX / 08-21 STI GT Dry Carbon Engine Belt Cover | 1TR4GT0AS12
Regular price $261.25Sale price $261.25 Regular priceUnit price per$275.00 -
In StockHKS Super Turbo Twin Tail Titanium Tip Catback Exhaust
Fits: 15-21 WRX/STI
Only 2 leftRegular price $6,300.00Sale price $6,300.00 Regular priceUnit price per$6,300.00 -
In StockHKS Hi-Power Catback Exhaust | 31006-BF001
Fits: 15-21 WRX/STI
Regular price $1,900.00Sale price $1,900.00 Regular priceUnit price per$1,900.00 -
Up to $8.76 offGSC Exhaust Valve Guide Set 8 WRX 15-2020 / Scion FR-S 2013-2016 / Subaru 2013-2018
Regular price $49.65Sale price $49.65 Regular priceUnit price per$58.41
![Invidia [15-21 WRX/STI] Gemini R400 Full Titanium Catback Exhaust](http://jdmuscleusa.com/cdn/shop/files/DSC_1114_1080x1080_93d6a43d-8f45-48fe-ad4f-60a962205e08.jpg?v=1784053861&width=220)
![Invidia [15-21 WRX/STI] Gemini R400 Full Titanium Catback Exhaust](http://jdmuscleusa.com/cdn/shop/files/DSC_1120_1080x1080_4d9a4dd8-b6df-4b8c-b8a9-1c94650245ba.jpg?v=1784053879&width=220)
