Collection: Engine Upgrades For Subaru WRX S4 VA
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DeatschWerks 02+ Subaru WRX / 07+ STI/LGT Top Feed Fuel Rail Upgrade Kit w/ 1200cc Injectors
Vendor:DeatschWerksRegular price $699.00 USDRegular priceUnit price / per$699.00 USDSale price $699.00 USD -

DeatschWerks DW440 440lph Brushless Fuel Pump Single/Dual Controller w/ Install Kit 08-14 Subaru WRX
Vendor:DeatschWerksRegular price $449.65 USDRegular priceUnit price / per$529.00 USDSale price $449.65 USDSale -
HKS Super SQV 4 BOV w/ Recirc Kit | Subaru WRX STI VAB/GRB/GVB (08-21) (71008-AF013V)
Vendor:HKSRegular price $434.82 USDRegular priceUnit price / per$462.00 USDSale price $434.82 USDSale -
HKS Fine Tune V-Belt 5PK875 | Subaru STI/WRX (08-21/14) (24996-AK012)
Vendor:HKSRegular price $54.35 USDRegular priceUnit price / per$55.00 USDSale price $54.35 USDSale -
HKS SSQV4 Blow Off Valve | Subaru WRX STI (08-21) (71008-AF013)
Vendor:HKSRegular price $408.94 USDRegular priceUnit price / per$434.50 USDSale price $408.94 USDSale -
DeatschWerks 08-21 Subaru WRX/STI X2 Series Fuel Pump Module w/ Dual DW300 Pumps
Vendor:DeatschWerksRegular price $593.10 USDRegular priceUnit price / per$659.00 USDSale price $593.10 USDSale -
HKS Fine Tune Upgraded Timing Belt | Subaru WRX/STI/Legacy GT/Forester XT (24999-AF001)
Vendor:HKSRegular price $286.59 USDRegular priceUnit price / per$290.00 USDSale price $286.59 USDSale -
DeatschWerks 05-09 Subaru Legacy GT / 08-14 WRX / 08-21 STI DW430C 430lph Compact Fuel Pump
Vendor:DeatschWerksRegular price $186.15 USDRegular priceUnit price / per$219.00 USDSale price $186.15 USDSale -
HKS SSQV4 Blow Off Valve Kit | Subaru WRX (08-14) / Legacy 2.5 GT (05-06) (71008-AF012)
Vendor:HKSRegular price $408.94 USDRegular priceUnit price / per$434.50 USDSale price $408.94 USDSale -
DeatschWerks 02-14 Subaru WRX / 07-14 STI/Legacy GT Bosch EV14 1200cc Injectors (Set of 4)
Vendor:DeatschWerksRegular price $569.00 USDRegular priceUnit price / per$569.00 USDSale price $569.00 USD -

HKS SSQV4 Blow Off Valve w/ Recirculation Kit | Subaru WRX VMG/VM4 FA20 (15-21) (71008-AF015)
Vendor:HKSRegular price $362.35 USDRegular priceUnit price / per$385.00 USDSale price $362.35 USDSale -
Cometic .032" MLX Head Gasket 89.5mm Bore RHS | 2013-2021 Subaru BRZ / Scion FR-S (C4588-032)
Vendor:Cometic GasketRegular price $70.06 USDRegular priceUnit price / per$85.13 USDSale price $70.06 USDSale -
Cometic .032" MLX Head Gasket 89.5mm Bore LHS | 2013-2021 Subaru BRZ / Scion FR-S (C4589-032)
Vendor:Cometic GasketRegular price $70.06 USDRegular priceUnit price / per$85.13 USDSale price $70.06 USDSale -
Perrin Top Mount Intercooler | 2022+ Subaru WRX (PSP-ITR-330)
Vendor:Perrin PerformanceRegular price $825.00 USDRegular priceUnit price / per$1,100.00 USDSale price $825.00 USDSale -
Perrin Top Mount Intercooler | 2015-2021 Subaru WRX (PSP-ITR-325)
Vendor:Perrin PerformanceRegular price $667.50 USDRegular priceUnit price / per$890.00 USDSale price $667.50 USDSale -
Perrin Top Mount Intercooler | 2008-2021 Subaru WRX STI (PSP-ITR-302SL/BK)
Vendor:Perrin PerformanceRegular price $667.50 USDRegular priceUnit price / per$890.00 USDSale price $667.50 USDSale -
Perrin Intercooler Core & Beam | 2015-2019 Subaru WRX/STI (PSP-ITR-437-1)
Vendor:Perrin PerformanceRegular price $1,058.25 USDRegular priceUnit price / per$1,411.00 USDSale price $1,058.25 USDSale -
Perrin Charge Pipe Kit | 2022+ Subaru WRX (PSP-ITR-201)
Vendor:Perrin PerformanceRegular price $220.00 USDRegular priceUnit price / per$352.00 USDSale price $220.00 USDSale -
Perrin Front Mount Intercooler Kit | 2022+ Subaru WRX (PSP-ITR-441)
Vendor:Perrin PerformanceRegular price $1,278.75 USDRegular priceUnit price / per$1,705.00 USDSale price $1,278.75 USDSale -
WRX 02-07 Turbosmart Vee-Port Blow Off Valve - Black (TS-0205-1136)
Vendor:TurbosmartRegular price $214.87 USDRegular priceUnit price / per$280.99 USDSale price $214.87 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.











