Collection: Engine Upgrades For Subaru WRX S4 VB
-

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 -
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 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 -
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 -
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 -
GSC Power Division GSC Intake Valve Sets -STD | 2015 - 2021 Subaru FA20F WRX (B2282-50)
Vendor:GSC Power DivisionRegular price $906.71 USDRegular priceUnit price / per$1,101.00 USDSale price $906.71 USDSale -
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 -
ACT Pilot Bearing | Toyota Tacoma 2002 (PB1004)
Vendor:ACTRegular price $7.00 USDRegular priceUnit price / per$9.00 USDSale price $7.00 USDSale -
K&N Oil Filter | 2015+ Subaru WRX / 2008-2015 Mitsubishi Evo X (HP-1004)
Vendor:K&N EngineeringRegular price $11.82 USDRegular priceUnit price / per$17.99 USDSale price $11.82 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 -
Mishimoto Pulley Cover | 2022+ Subaru WRX (MMUH-WRX)
Vendor:MishimotoRegular price $90.95 USDRegular priceUnit price / per$100.00 USDSale price $90.95 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
Engine Upgrades for Subaru WRX S4 VB to Boost Performance and Reliability
Unlock the full potential of your Subaru WRX S4 VB with engine upgrades tailored specifically for your model. This collection focuses on components designed to enhance power delivery, throttle response, and engine efficiency, helping you achieve a more dynamic and reliable driving experience.
What are the key benefits of upgrading your WRX S4 VB engine components?
Upgrading engine parts on your WRX S4 VB can lead to noticeable improvements in performance and durability. Enhanced intakes and exhaust systems optimize airflow, while cooling upgrades help maintain ideal operating temperatures under demanding conditions. Together, these modifications support smoother power delivery and reduce the risk of overheating during spirited driving.
- Improved horsepower and torque through better airflow management
- Enhanced throttle response for quicker acceleration
- Increased engine reliability with upgraded cooling solutions
- Reduced turbo lag and more consistent boost control
How to choose the right engine upgrades for your Subaru WRX S4 VB?
Selecting the appropriate engine parts depends on your driving goals and existing setup. Consider whether you want to focus on power gains, reliability, or a balanced approach. Performance intakes and exhaust components are great starting points for airflow improvements, while turbo and boost management parts help optimize forced induction efficiency. Don’t overlook engine mounts and hardware, which ensure stability and reduce drivetrain vibrations.
Supporting modifications and fitment tips for WRX S4 VB engine upgrades
Proper installation and complementary upgrades are essential to maximize the benefits of your engine parts. Upgrading your cooling system can prevent heat soak during extended drives, and pairing turbo components with reliable boost controllers ensures consistent performance. Shop this collection at WheelFlip to find quality aftermarket parts designed with fitment confidence for your Subaru WRX S4 VB.











