Collection: Engine Upgrades For Subaru WRX S4 VA
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COBB AccessPORT V3 ECU Tuner | Subaru WRX/STI (15-21) / Forester XT CVT (14-18) (AP3-SUB-004)
Vendor:COBBRegular price $770.00 USDRegular priceUnit price / per$770.00 USDSale price $770.00 USD -
Perrin Pitch Stop Mount | Subaru WRX/WRX STI/Legacy GT (15-20) (PSP-DRV-101BL)
Vendor:Perrin PerformanceRegular price $87.75 USDRegular priceUnit price / per$117.00 USDSale price $87.75 USDSale -
Perrin Top Mount Intercooler | 2008-2021 Subaru WRX STI (PSP-ITR-302SL/BK)
Vendor:Perrin PerformanceRegular price $697.50 USDRegular priceUnit price / per$930.00 USDSale price $697.50 USDSale -
Torque Solution Steering Rack Brace | 2008-2021 Subaru WRX/STI (TS-SU-388)
Vendor:Torque SolutionRegular price $54.89 USDRegular priceUnit price / per$66.65 USDSale price $54.89 USDSale -
Turbo XS Hella Horn Wiring Harness | Subaru WRX (15-21) (WS15-HHWH)
Vendor:Turbo XSRegular price $35.49 USDRegular priceUnit price / per$48.00 USDSale price $35.49 USDSale -
Perrin Alternator Pulley - Red | 2007-2021 Subaru WRX STI (PSP-ENG-119RD)
Vendor:Perrin PerformanceRegular price $45.75 USDRegular priceUnit price / per$61.00 USDSale price $45.75 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 $398.95 USDRegular priceUnit price / per$419.95 USDSale price $398.95 USDSale -

Torque Solution Engine Mounts | 2002-2014 Subaru WRX and 2004-2021 Subaru WRX STI (TS-SU-200)
Vendor:Torque SolutionRegular price $237.91 USDRegular priceUnit price / per$288.88 USDSale price $237.91 USDSale -
HKS SSQV Recirculation Kit | Subaru Impreza WRX STi (08-21) (71002-AF002)
Vendor:HKSRegular price $42.90 USDRegular priceUnit price / per$42.90 USDSale price $42.90 USD -
HKS Turbo Timer Harness Type FT-6 | Subaru WRX/STI (08-14) (41003-AF006)
Vendor:HKSRegular price $30.00 USDRegular priceUnit price / per$30.00 USDSale price $30.00 USD -
Fel-Pro Engine Crankshaft Seal Kit | Subaru WRX (13-20) / BRZ (13-20) / Scion FR-S (13-16) / Toyota 86 (17-20) (BS40748)
Vendor:Fel-ProRegular price $13.66 USDRegular priceUnit price / perSale price $13.66 USD -
PERRIN 15-21 Subaru WRX/STI Front Mount Intercooler Core + Mounting Beam - Silver Core
Vendor:Perrin PerformanceRegular price $1,058.25 USDRegular priceUnit price / per$1,411.00 USDSale price $1,058.25 USDSale -
Cusco Billet Aluminum Engine Pitch Stop Mount | Subaru WRX/STI/LGT/FXT (02-24) (6A1 911 PS)
Vendor:CuscoRegular price $153.00 USDRegular priceUnit price / per$170.00 USDSale price $153.00 USDSale -
Torque Solution Diff Drain Socket Tool | Multiple Subaru Fitments (TS-TL-708)
Vendor:Torque SolutionRegular price $12.26 USDRegular priceUnit price / per$14.88 USDSale price $12.26 USDSale -
GSC P-D Subaru EJ257 w/Dual AVCS S1 Cams 266/264 Billet
Vendor:GSC Power DivisionRegular price $1,058.68 USDRegular priceUnit price / per$1,245.50 USDSale price $1,058.68 USDSale -
HKS SSQV4 Blow Off Valve w/ Recirculation | Subaru Impreza WRX STI (08-14)/VAB (15+) (71008-KF013VB)
Vendor:HKSRegular price $382.80 USDRegular priceUnit price / per$382.80 USDSale price $382.80 USD -
Cometic Complete Gasket Kit 101mm Bore | 2008-2010 Subaru Impreza STi (PRO2048C)
Vendor:Cometic GasketRegular price $376.74 USDRegular priceUnit price / per$405.09 USDSale price $376.74 USDSale -
Torque Solution Thermal Turbo Blanket | 2015-2021 Subaru WRX (TS-TB-LFA)
Vendor:Torque SolutionRegular price $82.34 USDRegular priceUnit price / per$99.99 USDSale price $82.34 USDSale -
Brian Crower 37mm Intake Valve - Single | 2002 - 2014 Subaru WRX (BC3604-1)
Vendor:Brian CrowerRegular price $21.45 USDRegular priceUnit price / per$24.63 USDSale price $21.45 USDSale -
COBB FMIC BPV Adapter | Subaru WRX (08-14) / Legacy GT (05-09) (824500)
Vendor:COBBRegular price $80.00 USDRegular priceUnit price / per$80.00 USDSale price $80.00 USD
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.











