Collection: Engine Upgrades For Subaru WRX S4 VA
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WRX 02-07 Turbosmart Supersonic Blow Off Valve - Black (TS-0205-1316)
Vendor:TurbosmartRegular price $329.58 USDRegular priceUnit price / per$430.99 USDSale price $329.58 USDSale -
Turbosmart Vee-Port Blow Off Valve - Blue | Multiple Subaru Fitments (TS-0205-1135)
Vendor:TurbosmartRegular price $204.13 USDRegular priceUnit price / per$280.99 USDSale price $204.13 USDSale -
Turbosmart Supersonic Blow Off Valve for Mazda/Subaru - Black (TS-0205-1310)
Vendor:TurbosmartRegular price $329.58 USDRegular priceUnit price / per$430.99 USDSale price $329.58 USDSale -
Perrin Turbo Sump Restrictor | 2018-2023 Subaru WRX (PSP-ENG-630)
Vendor:Perrin PerformanceRegular price $35.63 USDRegular priceUnit price / per$57.00 USDSale price $35.63 USDSale -
Perrin Recirculating Blow Off Valve | 2015-2019 Subaru WRX (PSP-TAC-615RD)
Vendor:Perrin PerformanceRegular price $236.30 USDRegular priceUnit price / per$278.00 USDSale price $236.30 USDSale -
aFe Pro Guard D2 Oil Filter Set of 4 | Scion FR-S / Subaru BRZ (13-17) (44-LF018-MB)
Vendor:aFeRegular price $54.00 USDRegular priceUnit price / per$54.00 USDSale price $54.00 USD -
aFe Pro GUARD D2 Oil Filter | Scion FR-S / Subaru BRZ 2013 (44-LF018)
Vendor:aFeRegular price $15.61 USDRegular priceUnit price / per$16.00 USDSale price $15.61 USDSale -
aFe Pro GUARD D2 Oil Filter | Nissan Cars (03-13) / Subaru Cars H4 (04-13) (44-LF017)
Vendor:aFeRegular price $15.61 USDRegular priceUnit price / per$16.00 USDSale price $15.61 USDSale -
aFe Pro GUARD D2 Oil Filter | Nissan Trucks (99-14) / Honda Cars (01-14) (44-LF016)
Vendor:aFeRegular price $15.61 USDRegular priceUnit price / per$16.00 USDSale price $15.61 USDSale -

aFe Pro GUARD D2 Oil Filter (4 Pack) | Nissan Cars L4 (02-17) / Subaru Cars H4 (04-17) (44-LF017-MB)
Vendor:aFeRegular price $54.00 USDRegular priceUnit price / per$54.00 USDSale price $54.00 USD -
aFe Pro GUARD D2 Oil Filter (4 Pack) | Nissan Trucks (99-14) / Honda Cars (01-15) (44-LF016-MB)
Vendor:aFeRegular price $54.00 USDRegular priceUnit price / per$54.00 USDSale price $54.00 USD -
ARP Head Stud Kit | Subaru FA20/FA20DIT (260-4301)
Vendor:ARPRegular price $256.89 USDRegular priceUnit price / per$281.77 USDSale price $256.89 USDSale -
BLOX Racing Pitch Stop Mount Brace Black 2015-2021 WRX / 2015-2021 STI
Vendor:BLOX RacingRegular price $181.18 USDRegular priceUnit price / per$280.00 USDSale price $181.18 USDSale -
Cusco Billet Aluminum Engine Pitch Stop Mount | Subaru WRX/STI/LGT/FXT (02-24) (6A1 911 PS)
Vendor:CuscoRegular price $136.00 USDRegular priceUnit price / per$170.00 USDSale price $136.00 USDSale -
Radium Subaru Fuel Filter Mount | 2015-2021 Subaru WRX/STI, 2014-2018 Subaru Forester XT (20-0605)
Vendor:Radium EngineeringRegular price $65.85 USDRegular priceUnit price / per$79.95 USDSale price $65.85 USDSale -
Radium Fuel Access Cover | 2014-2021 Subaru WRX/STI (20-0746)
Vendor:Radium EngineeringRegular price $65.85 USDRegular priceUnit price / per$79.95 USDSale price $65.85 USDSale -
Radium Fuel Access Cover | 2008-2014 Subaru WRX/STI (20-0745)
Vendor:Radium EngineeringRegular price $65.85 USDRegular priceUnit price / per$79.95 USDSale price $65.85 USDSale -

Radium Dual Side Fluid Lock Oil Catch Can Kit | Subaru WRX/STI/Forester (02-14/04-13) (20-0608-FL)
Vendor:Radium EngineeringRegular price $335.97 USDRegular priceUnit price / per$419.95 USDSale price $335.97 USDSale -
Radium Engineering Dual Catch Can Kit | 2015-2021 Subaru WRX (20-0256-FL)
Vendor:Radium EngineeringRegular price $351.97 USDRegular priceUnit price / per$439.95 USDSale price $351.97 USDSale -
Radium Engineering Air Oil Separator - Return Kit | 2015-2021 Subaru WRX STI (20-0607)
Vendor:Radium EngineeringRegular price $359.97 USDRegular priceUnit price / per$449.95 USDSale price $359.97 USDSale
Engine Upgrades for Subaru WRX S4 VA: Boost Power and Performance
Unlock the full potential of your Subaru WRX S4 VA with engine upgrades designed specifically for this model. Our collection focuses on enhancing power delivery, throttle response, and engine efficiency to elevate your driving experience. Whether you want to increase horsepower, improve reliability, or refine your exhaust note, these parts deliver targeted performance gains.
What are the benefits of upgrading your Subaru WRX S4 VA’s engine components?
Upgrading key engine components can significantly improve your WRX S4 VA’s responsiveness and overall power output. Performance intakes and exhausts optimize airflow, while tuning accessories help your engine run more efficiently under load. These upgrades also contribute to a more engaging driving experience by sharpening throttle response and enhancing engine sound.
- Improved air intake and exhaust flow for better combustion
- Enhanced throttle response and smoother power delivery
- Increased engine efficiency and potential for higher output
- Refined engine sound tailored to your preferences
How to choose the right engine upgrades for your Subaru WRX S4 VA?
Selecting the right parts depends on your performance goals and daily driving needs. Consider whether you want to focus on power gains, reliability, or sound enhancement. Intake and exhaust components are common starting points, while tuning accessories allow for precise engine management. Always ensure parts are designed for the WRX S4 VA platform to guarantee fitment and compatibility.
Supporting modifications and where to shop Subaru WRX S4 VA engine upgrades
Supporting modifications such as upgraded intercoolers, blow-off valves, and catch cans can complement your engine upgrades by improving cooling and reliability. Proper installation and tuning are essential to maximize benefits. Explore our curated selection of engine upgrades for the Subaru WRX S4 VA at WheelFlip to find quality aftermarket parts with fitment confidence and expert support.









