Collection: Engine Upgrades For Subaru WRX S4 VB
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COBB One Step Colder Spark Plug Set | Subaru WRX/STI/Legacy GT/Outback XT/Forester XT (D44700)
Vendor:COBBRegular price $65.00 USDRegular priceUnit price / per$65.00 USDSale price $65.00 USD -
COBB 70mm Cast Aluminum Turbo Inlet | Subaru WRX/Forester XT (15-21/14-18) (745450)
Vendor:COBBRegular price $265.00 USDRegular priceUnit price / per$265.00 USDSale price $265.00 USD -
COBB Carbon Fiber Fuse Box Cover Overlay | Subaru WRX/STI (08-21) (844660)
Vendor:COBBRegular price $205.00 USDRegular priceUnit price / per$205.00 USDSale price $205.00 USD -
COBB 3-Port Boost Control Solenoid | Subaru WRX (15-21) (714750)
Vendor:COBBRegular price $215.00 USDRegular priceUnit price / per$215.00 USDSale price $215.00 USD -
COBB Top Mount Intercooler Black w/ Charge Pipe Kit | Subaru WRX (15-21) (B42400-BK)
Vendor:COBBRegular price $1,205.00 USDRegular priceUnit price / per$1,205.00 USDSale price $1,205.00 USD -
COBB Silver Front Mount Intercooler Kit 24" x 11" | Subaru WRX (15-21) (SUBFMIC002SL)
Vendor:COBBRegular price $2,625.00 USDRegular priceUnit price / per$2,625.00 USDSale price $2,625.00 USD -
COBB Black Front Mount Intercooler Kit 24" x 11" | Subaru WRX (15-21) (SUBFMIC002BK)
Vendor:COBBRegular price $2,625.00 USDRegular priceUnit price / per$2,625.00 USDSale price $2,625.00 USD -
COBB Front Mount Intercooler BPV Adapter | Subaru WRX (02-07) / STI (04-21) (812500)
Vendor:COBBRegular price $85.00 USDRegular priceUnit price / per$85.00 USDSale price $85.00 USD -
COBB Gloss Carbon Fiber Engine Cover | Subaru WRX (15-21) (442605)
Vendor:COBBRegular price $325.00 USDRegular priceUnit price / per$325.00 USDSale price $325.00 USD -
COBB Top Mount Intercooler Silver | Subaru WRX (15-21) (B42405-SL)
Vendor:COBBRegular price $985.00 USDRegular priceUnit price / per$985.00 USDSale price $985.00 USD -
COBB Top Mount Intercooler Black | Subaru WRX (15-21) (B42405-BK)
Vendor:COBBRegular price $985.00 USDRegular priceUnit price / per$985.00 USDSale price $985.00 USD -
COBB V3 Air/Oil Separator (AOS) 1L w/ ORB Ports | Subaru WRX (15-21) (843615)
Vendor:COBBRegular price $610.00 USDRegular priceUnit price / per$610.00 USDSale price $610.00 USD -
COBB V3 Air/Oil Separator (AOS) 1L w/ ORB Ports | Subaru WRX/STI/Legacy/Outback/Forester XT (05-21) (822615)
Vendor:COBBRegular price $595.00 USDRegular priceUnit price / per$595.00 USDSale price $595.00 USD -
COBB LF Bypass Valve | Subaru WRX (15-21) / Forester XT (14-18) (745670)
Vendor:COBBRegular price $405.00 USDRegular priceUnit price / per$405.00 USDSale price $405.00 USD -
COBB Aluminum Charge Pipe 2"-2.5" | Subaru WRX (15-21) (742110)
Vendor:COBBRegular price $305.00 USDRegular priceUnit price / per$305.00 USDSale price $305.00 USD -
COBB MAP Sensor Adapter | Subaru WRX (02-07) / STI (04-21) / Forester XT (04-08) (A12600)
Vendor:COBBRegular price $65.00 USDRegular priceUnit price / per$65.00 USDSale price $65.00 USD -
COBB 4 Bar MAP Sensor | Subaru WRX (02-07)/STI (04-21)/Forester XT (05-08) (A12100)
Vendor:COBBRegular price $190.00 USDRegular priceUnit price / per$190.00 USDSale price $190.00 USD -
COBB 4 Bar MAP Sensor Kit | Subaru WRX (02-07) / STI (08-21) (A12700)
Vendor:COBBRegular price $235.00 USDRegular priceUnit price / per$235.00 USDSale price $235.00 USD -
COBB 3-Port Boost Control Solenoid | Subaru WRX/STI (08-21) / Legacy GT/Outback XT (05-09) (715750)
Vendor:COBBRegular price $185.00 USDRegular priceUnit price / per$185.00 USDSale price $185.00 USD -
COBB Turbo Blanket | Subaru WRX (15-21) (842650)
Vendor:COBBRegular price $215.00 USDRegular priceUnit price / per$215.00 USDSale price $215.00 USD
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.



















