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 $11.05 off
In StockMishimoto Transmission Cooler Kit - Universal
Only 7 leftRegular price $110.95Sale price $110.95 Regular priceUnit price per$122.00 -
Up to $21.05 offMishimoto Red Silicone Air Box Hose Kit WRX 15-2019
Regular price $210.95Sale price $210.95 Regular priceUnit price per$232.00 -
Up to $16.05 off
In StockMishimoto Air Intake Box WRX 15-21 | MMAB-WRX-15
Only 6 leftRegular price $163.95Sale price $163.95 Regular priceUnit price per$180.00 -
Up to $29 offAEM V2 5 Gal Tank Kit w/ Conductive Fluid Level Sensor - Universal | 30-3320
Regular price $230.95Sale price $230.95 Regular priceUnit price per$259.95 -
APR 15-21 WRX/ STI Carbon Fiber Heat Shield Set | CBX-WRXHS15
Regular price $466.00Sale price $466.00 Regular priceUnit price per$466.00 -
Up to $160.34 offCP Piston & Ring Bore 99.5mm 8:2 CR WRX/STI Subaru Turbo EJ255 / EJ257 Models 2004-2019
Regular price $888.66Sale price $888.66 Regular priceUnit price per$1,049.00 -
Up to $160.34 offCP Forged 99.75mm Bore / 9.0:1 Comp Pistons & Rings WRX/STI Subaru Turbo Models EJ255 / EJ257 2004-2019
Regular price $888.66Sale price $888.66 Regular priceUnit price per$1,049.00 -
In StockCP Pistons & Rings Bore 100.5mm Size +1.0mm CR 8.2 WRX/STI Subaru EJ257 Turbo Models 2004-21
Only 2 leftRegular price $885.15Sale price $885.15 Regular priceUnit price per$885.15 -
CP Piston & Ring Set Bore 100mm Size +0.5mm CR 10:1 WRX/STI Subaru EJ25 Turbo Models 2004-2019
Regular price $679.00Sale price $679.00 Regular priceUnit price per$0.00 -
CP Piston & Rings 100mm Bore 9.0:1 CR WRX/STI Subaru Turbo EJ2.5L Models 2004-2019
Regular price $679.00Sale price $679.00 Regular priceUnit price per$0.00 -
In StockBrian Crower Titanium Retainer Kit WRX 2002-2014 / STI 2004-2019 Subaru Turbo Models
Only 4 leftRegular price $204.00Sale price $204.00 Regular priceUnit price per$204.00 -
BorgWarner EFR-7064 Turbo Charger 0.92A/R WG T4 Twin Scroll - Universal
Regular price $2,262.13Sale price $2,262.13 Regular priceUnit price per$0.00 -
Up to $22 off
In StockBLOX Black Racing Manual Boost Controller - Universal
Only 10 leftRegular price $88.00Sale price $88.00 Regular priceUnit price per$110.00 -
Up to $20 offBLOX Gold Racing Manual Boost Controller - Universal
Regular price $80.00Sale price $80.00 Regular priceUnit price per$100.00 -
Up to $21 offBLOX Polished Racing Manual Boost Controller - Universal
Regular price $84.00Sale price $84.00 Regular priceUnit price per$105.00 -
Up to $20 offBLOX Purple Racing Manual Boost Controller - Universal
Regular price $80.00Sale price $80.00 Regular priceUnit price per$100.00
