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
-
In StockRemark Boso Axle Back Exhaust w/ Stainless Steel Single Wall Tip WRX/STI 15-2019
Only 5 leftRegular price $695.00Sale price $695.00 Regular priceUnit price per$695.00 -
Up to $167 offGrimmSpeed 15-21 WRX Stage 1 Power Package | 191010
Regular price $555.00Sale price $555.00 Regular priceUnit price per$722.00 -
Up to $11.21 off
In StockTurbo XS Billet Aluminum Radiator Stay - Blue
Fits: 15-21 WRX/STI
Only 12 leftRegular price $41.00Sale price $41.00 Regular priceUnit price per$52.21 -
Up to $8.21 off
In StockTurbo XS Billet Aluminum Radiator Stay - Red
Fits: 15-21 WRX/STI
Only 10 leftRegular price $44.00Sale price $44.00 Regular priceUnit price per$52.21 -
![Moroso [02-07 WRX, 04-19 STI, 04-08 FXT] Aluminum Coolant Expansion Tank - JDMuscleOverflow / Expansion Tanksmor63784](//jdmuscleusa.com/cdn/shop/products/moroso-02-07-wrx-04-19-sti-04-08-fxt-aluminum-coolant-expansion-tank-8680274.jpg?v=1781013312&width=220)
In StockMoroso Aluminum Coolant Expansion Tank
Fits: 02-07 WRX, 04-19 STI, 04-08 FXT
Only 8 leftRegular price $220.99Sale price $220.99 Regular priceUnit price per$220.99 -
IAG Replacement Hardware Set for IAG Top Feed Fuel Rails
Regular price $48.00Sale price $48.00 Regular priceUnit price per$48.00 -
![Killer B Motorsports [02 - 07 WRX, 04 - 21 STI] 3" Cast Turbo Inlet to 84mm Adapter Coupler | TIEJC84 - JDMuscleTurbo Inlet Hoses and PipesklbTIEJC84](//jdmuscleusa.com/cdn/shop/files/killer-b-motorsports-02-07-wrx-04-21-sti-3-cast-turbo-inlet-to-84mm-adapter-coupler-tiejc84-6849084.jpg?v=1770327976&width=220)
Killer B Motorsports 3" Cast Turbo Inlet to 84mm Adapter Coupler | TIEJC84
Fits: 02-07 WRX, 04-21 STI
Regular price $49.00Sale price $49.00 Regular priceUnit price per$49.00 -
IAG Performance Replacement Blow Off Valve Elbow Black
Fits: 02-07 WRX, 04-21 STI
Regular price $59.99Sale price $59.99 Regular priceUnit price per$59.99 -
![IAG Performance [02 - 14 WRX, 04 - 21 STI, 05 - 12 LGT, 04 - 13 FXT] 8mm Thick Phenolic Spacers | IAG - AFD - 3104 - JDMusclePhenolic Thermal Intake Manifold SpacersIAG-AFD-3104](//jdmuscleusa.com/cdn/shop/files/iag-performance-02-14-wrx-04-21-sti-05-12-lgt-04-13-fxt-8mm-thick-phenolic-spacers-iag-afd-3104-4678295.jpg?v=1770327978&width=220)
IAG 8mm Thick Phenolic Spacers
Fits: 02-14 WRX, 04-21 STI, 05-12 LGT, 04-13 FXT
Regular price $74.99Sale price $74.99 Regular priceUnit price per$74.99 -
IAG PTFE Fuel Line Kit
Fits: 08-14 WRX, 08-21 STI
Regular price $499.99Sale price $499.99 Regular priceUnit price per$499.99 -
Up to $20 offIAG Garret GT Series Turbo Oil Feed Line & AVCS Line for Subaru Multiple Fitments
Regular price From $119.99Sale price From $119.99 Regular priceUnit price per$136.36 -
IAG Stock Location Turbo Oil Feed Line & AVCS Line for Multiple Fitments
Regular price From $119.99Sale price From $119.99 Regular priceUnit price per$116.36 -
![Killer B Motorsport [02-14 WRX, 04-21 STI] High Performance Oil Pan w/ High Flow Style Pick and Baffle Combo | PPBC-HF](//jdmuscleusa.com/cdn/shop/products/12a3ac2145dcb192ad3788234724b411.jpg?v=1626227195&width=220)
![Killer B Motorsport [02-14 WRX, 04-21 STI] High Performance Oil Pan w/ High Flow Style Pick and Baffle Combo | PPBC-HF](//jdmuscleusa.com/cdn/shop/products/06ede141c0e20d28fb7fc4ca8def9fc5.jpg?v=1626227195&width=220)
Killer B Motorsport High Performance Oil Pan w/ High Flow Style Pick and Baffle Combo | PPBC-HF
Fits: 02-14 WRX, 04-21 STI
Regular price $725.00Sale price $725.00 Regular priceUnit price per$725.00 -
![Tomei [02-07 WRX, 04-21 STI, 04-08 FXT] Silicone Turbo Inlet Hose - Blue | TB301A-SB01A](//jdmuscleusa.com/cdn/shop/files/tomei-silicone-turbo-inlet-hose-blue-2002-2007-wrx-2004-2021-sti-2004-2008-fxt-tb301a-sb01a-237363_556x417_34b0da4a-8a6c-4abb-b20e-88640a1ae4a0.jpg?v=1690926590&width=220)
Up to $19 off
In StockTomei Silicone Turbo Inlet Hose - Blue | TB301A-SB01A
Fits: 02-07 WRX, 04-21 STI, 04-08 FXT
Only 5 leftRegular price $171.00Sale price $171.00 Regular priceUnit price per$190.00 -
GrimmSpeed Top Mount Intercooler Thermal - Black
Fits: 02-07 WRX, 04-21 STI, 04-08 FXT
Regular price $1,065.00Sale price $1,065.00 Regular priceUnit price per$1,065.00 -
![Torque Solution [08 - 14 WRX, 08 - 21 STI] Oil Fill Tube Relocation | TS - SU - 757 - JDMuscleOil Control DevicestqsTS-SU-757](//jdmuscleusa.com/cdn/shop/files/torque-solution-08-14-wrx-08-21-sti-oil-fill-tube-relocation-ts-su-757-7338747.jpg?v=1770325029&width=220)
![Torque Solution [08 - 14 WRX, 08 - 21 STI] Oil Fill Tube Relocation | TS - SU - 757 - JDMuscleOil Control DevicestqsTS-SU-757](//jdmuscleusa.com/cdn/shop/files/torque-solution-08-14-wrx-08-21-sti-oil-fill-tube-relocation-ts-su-757-9472488.jpg?v=1770325029&width=220)
Up to $28.77 off
In StockTorque Solution Oil Fill Tube Relocation
Fits: 08-14 WRX, 08-21 STI
Only 2 leftRegular price $149.00Sale price $149.00 Regular priceUnit price per$177.77
![Moroso [02-07 WRX, 04-19 STI, 04-08 FXT] Aluminum Coolant Expansion Tank - JDMuscleOverflow / Expansion Tanksmor63784](http://jdmuscleusa.com/cdn/shop/products/moroso-02-07-wrx-04-19-sti-04-08-fxt-aluminum-coolant-expansion-tank-8680274.jpg?v=1781013312&width=220)
![Killer B Motorsports [02 - 07 WRX, 04 - 21 STI] 3" Cast Turbo Inlet to 84mm Adapter Coupler | TIEJC84 - JDMuscleTurbo Inlet Hoses and PipesklbTIEJC84](http://jdmuscleusa.com/cdn/shop/files/killer-b-motorsports-02-07-wrx-04-21-sti-3-cast-turbo-inlet-to-84mm-adapter-coupler-tiejc84-6849084.jpg?v=1770327976&width=220)
![IAG Performance [02 - 14 WRX, 04 - 21 STI, 05 - 12 LGT, 04 - 13 FXT] 8mm Thick Phenolic Spacers | IAG - AFD - 3104 - JDMusclePhenolic Thermal Intake Manifold SpacersIAG-AFD-3104](http://jdmuscleusa.com/cdn/shop/files/iag-performance-02-14-wrx-04-21-sti-05-12-lgt-04-13-fxt-8mm-thick-phenolic-spacers-iag-afd-3104-4678295.jpg?v=1770327978&width=220)
![Killer B Motorsport [02-14 WRX, 04-21 STI] High Performance Oil Pan w/ High Flow Style Pick and Baffle Combo | PPBC-HF](http://jdmuscleusa.com/cdn/shop/products/12a3ac2145dcb192ad3788234724b411.jpg?v=1626227195&width=220)
![Killer B Motorsport [02-14 WRX, 04-21 STI] High Performance Oil Pan w/ High Flow Style Pick and Baffle Combo | PPBC-HF](http://jdmuscleusa.com/cdn/shop/products/06ede141c0e20d28fb7fc4ca8def9fc5.jpg?v=1626227195&width=220)
![Tomei [02-07 WRX, 04-21 STI, 04-08 FXT] Silicone Turbo Inlet Hose - Blue | TB301A-SB01A](http://jdmuscleusa.com/cdn/shop/files/tomei-silicone-turbo-inlet-hose-blue-2002-2007-wrx-2004-2021-sti-2004-2008-fxt-tb301a-sb01a-237363_556x417_34b0da4a-8a6c-4abb-b20e-88640a1ae4a0.jpg?v=1690926590&width=220)
![Torque Solution [08 - 14 WRX, 08 - 21 STI] Oil Fill Tube Relocation | TS - SU - 757 - JDMuscleOil Control DevicestqsTS-SU-757](http://jdmuscleusa.com/cdn/shop/files/torque-solution-08-14-wrx-08-21-sti-oil-fill-tube-relocation-ts-su-757-7338747.jpg?v=1770325029&width=220)
![Torque Solution [08 - 14 WRX, 08 - 21 STI] Oil Fill Tube Relocation | TS - SU - 757 - JDMuscleOil Control DevicestqsTS-SU-757](http://jdmuscleusa.com/cdn/shop/files/torque-solution-08-14-wrx-08-21-sti-oil-fill-tube-relocation-ts-su-757-9472488.jpg?v=1770325029&width=220)