Collection: Engine Upgrades For Subaru WRX STI VA
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GSC Power Division GSC Exhaust Valve Sets -STD | 2015 - 2021 Subaru FA20F WRX (B2281-50)
Vendor:GSC Power DivisionRegular price $913.29 USDRegular priceUnit price / per$1,109.00 USDSale price $913.29 USDSale -
Brian Crower 36mm Exhaust Valve Single Valve | 2002 - 2014 Subaru WRX (BC3601-S-1)
Vendor:Brian CrowerRegular price $21.45 USDRegular priceUnit price / per$24.63 USDSale price $21.45 USDSale -
Perrin Coolant Hose Adapter | 2002-2021 Subaru WRX / STI (ASM-GAU-107)
Vendor:Perrin PerformanceRegular price $20.63 USDRegular priceUnit price / per$33.00 USDSale price $20.63 USDSale -
Perrin Perf Nylon Coupler 2.4in Turbo Inlet | Subaru WRX/WRX STI (03-21) (X-PSP-INT-404)
Vendor:Perrin PerformanceRegular price $24.75 USDRegular priceUnit price / per$33.00 USDSale price $24.75 USDSale -
Perrin Air/Oil Separator | 02-14 Subaru WRX / 04-19 STI with FMIC (PSP-ENG-607)
Vendor:Perrin PerformanceRegular price $429.00 USDRegular priceUnit price / per$572.00 USDSale price $429.00 USDSale -
Perrin Turbo Inlet Hose w/ Nozzle (Short) | 2022+ Subaru WRX (PSP-INT-426)
Vendor:Perrin PerformanceRegular price $146.88 USDRegular priceUnit price / per$235.00 USDSale price $146.88 USDSale -

Perrin Motor Mount Kit | 2002-2021 Subaru WRX / STI / 2005-2009 Subaru Legacy GT (PSP-DRV-055)
Vendor:Perrin PerformanceRegular price $230.63 USDRegular priceUnit price / per$369.00 USDSale price $230.63 USDSale -
Perrin Lightweight Crank Pulley - Black | 2019-2021 Subaru WRX (PSP-ENG-104BK)
Vendor:Perrin PerformanceRegular price $135.00 USDRegular priceUnit price / per$216.00 USDSale price $135.00 USDSale -
Perrin Lightweight Crank Pulley - Blue | 2019-2021 Subaru WRX (PSP-ENG-104BL)
Vendor:Perrin PerformanceRegular price $135.00 USDRegular priceUnit price / per$216.00 USDSale price $135.00 USDSale -
Perrin Lightweight Crank Pulley - Red | 2019-2021 Subaru WRX (PSP-ENG-104RD)
Vendor:Perrin PerformanceRegular price $135.00 USDRegular priceUnit price / per$216.00 USDSale price $135.00 USDSale -

Perrin Lightweight Crank Pulley Black | 2022+ Subaru BRZ/GR86 & WRX 2.4L Turbo (PSP-ENG-106BK)
Vendor:Perrin PerformanceRegular price $135.00 USDRegular priceUnit price / per$216.00 USDSale price $135.00 USDSale -

Perrin Lightweight Crank Pulley Blue | 2022+ Subaru BRZ/GR86 & WRX 2.0L Turbo (PSP-ENG-106BL)
Vendor:Perrin PerformanceRegular price $135.00 USDRegular priceUnit price / per$216.00 USDSale price $135.00 USDSale -

Perrin Lightweight Crank Pulley Red | 2022+ Subaru BRZ/GR86 & WRX 2.0L Turbo (PSP-ENG-106RD)
Vendor:Perrin PerformanceRegular price $135.00 USDRegular priceUnit price / per$216.00 USDSale price $135.00 USDSale -
Perrin Lightweight Water Pump Pulley - Black | 2015-2021 Subaru WRX (PSP-ENG-111BK)
Vendor:Perrin PerformanceRegular price $76.88 USDRegular priceUnit price / per$123.00 USDSale price $76.88 USDSale -
Perrin Lightweight Water Pump Pulley - Blue | 2015-2022 Subaru WRX (PSP-ENG-111BL)
Vendor:Perrin PerformanceRegular price $76.88 USDRegular priceUnit price / per$123.00 USDSale price $76.88 USDSale -
Perrin Alternator Pulley - Black | 2007-2021 Subaru WRX STI (PSP-ENG-119BK)
Vendor:Perrin PerformanceRegular price $38.13 USDRegular priceUnit price / per$61.00 USDSale price $38.13 USDSale -
Perrin Alternator Pulley - Red | 2007-2021 Subaru WRX STI (PSP-ENG-119RD)
Vendor:Perrin PerformanceRegular price $38.13 USDRegular priceUnit price / per$61.00 USDSale price $38.13 USDSale -
Perrin Alternator Pulley - Black | 2022+ Subaru WRX and 2014-2018 Subaru Forester XT (PSP-ENG-121BK)
Vendor:Perrin PerformanceRegular price $38.13 USDRegular priceUnit price / per$61.00 USDSale price $38.13 USDSale -
Perrin Alternator Pulley - Red | 2022+ Subaru WRX and 2014-2018 Subaru Forester XT (PSP-ENG-121RD)
Vendor:Perrin PerformanceRegular price $38.13 USDRegular priceUnit price / per$61.00 USDSale price $38.13 USDSale -
Perrin Hardware For Subaru Pulley Cover | WRX/WRX STI (02-14/04-20) (S-PSP-ENG-150)
Vendor:Perrin PerformanceRegular price $30.00 USDRegular priceUnit price / per$40.00 USDSale price $30.00 USDSale
Engine Upgrades for Subaru WRX STI VA to Maximize Performance
Unlock the true potential of your Subaru WRX STI VA with engine upgrades designed specifically for this platform. Whether you want to boost power, improve throttle response, or enhance engine reliability, our collection offers premium parts tailored to your vehicle’s needs.
What Engine Upgrades Deliver the Best Performance Gains?
Focusing on key areas like airflow, cooling, and engine management can significantly improve your WRX STI VA’s performance. High-flow intake and exhaust components increase breathing efficiency, while cooling upgrades help maintain optimal operating temperatures under demanding conditions.
- Performance intake systems for improved air delivery
- Aftermarket exhausts to reduce backpressure and enhance sound
- Cooling solutions such as upgraded radiators and intercoolers
- Engine management parts for precise tuning and control
How to Choose the Right Engine Parts for Your Subaru WRX STI VA
Selecting compatible upgrades is essential for fitment confidence and reliable performance. Consider your build goals—whether street, track, or daily driving—and prioritize parts engineered for the VA chassis. Durable hardware and mounting solutions also ensure long-term stability and ease of installation.
Enhance Your Subaru’s Engine Performance with WheelFlip’s Selection
Our curated collection of engine upgrades for the Subaru WRX STI VA offers quality aftermarket parts that balance power gains with reliability. From intake and exhaust to cooling and tuning components, shop with confidence knowing each product is chosen for optimal fitment and performance. Explore the collection at WheelFlip to find the perfect parts for your build.











