Collection: Engine Upgrades For Subaru Impreza WRX GR/GV
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COBB LF Bypass Valve | Subaru WRX (08-14) / Legacy GT / Forester XT / Outback XT (724665)
Vendor:COBBRegular price $405.00 USDRegular priceUnit price / per$405.00 USDSale price $405.00 USD -
COBB Pitch Stop Mount w/ Bushings | Subaru WRX/STI/LGT/FXT (02-25) (862001)
Vendor:COBBRegular price $125.00 USDRegular priceUnit price / per$125.00 USDSale price $125.00 USD -
Torque Solution Urethane Engine Mounts | Subaru WRX STI 04-18 (TS-SU-200-RP-UR)
Vendor:Torque SolutionRegular price $7.99 USDRegular priceUnit price / per$9.99 USDSale price $7.99 USDSale -
COBB Aluminum Alternator Cover | Subaru WRX (08-14) / STI (08-21) (815055)
Vendor:COBBRegular price $105.00 USDRegular priceUnit price / per$105.00 USDSale price $105.00 USD -
COBB 1050x Top Feed Fuel Injectors | Subaru WRX (02-14) / WRX STI (07-21) / Legacy GT / Forester XT (312150)
Vendor:COBBRegular price $625.00 USDRegular priceUnit price / per$625.00 USDSale price $625.00 USD -

DeatschWerks 265 LPH Compact In-Tank Fuel Pump w/ 08-12 WRX/ 08-15 STi / 05-09 LGT Set Up Ki
Vendor:DeatschWerksRegular price $135.15 USDRegular priceUnit price / per$159.00 USDSale price $135.15 USDSale -
DeatschWerks 12+ Subaru BRZ/12+ Scion FRS / 15 WRX DW65C 265lph Compact In-Tank Fuel Pump
Vendor:DeatschWerksRegular price $135.15 USDRegular priceUnit price / per$159.00 USDSale price $135.15 USDSale -
DeatschWerks 02+ Subaru WRX / 07+ STI/LGT Top Feed Fuel Rail Upgrade Kit w/ 1000cc Injectors
Vendor:DeatschWerksRegular price $619.00 USDRegular priceUnit price / per$619.00 USDSale price $619.00 USD -
DeatschWerks 02+ Subaru WRX / 07+ STI/LGT Top Feed Fuel Rail Upgrade Kit w/ 750cc Injectors
Vendor:DeatschWerksRegular price $599.00 USDRegular priceUnit price / per$599.00 USDSale price $599.00 USD -
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 -
HKS Turbo Timer X Series Harness | Subaru Forester XT (04-08) / Impreza RS (97-00) (4103-RF001)
Vendor:HKSRegular price $18.82 USDRegular priceUnit price / per$20.00 USDSale price $18.82 USDSale -

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 -
DeatschWerks 04-07 Subaru WRX/STI/Outback Sport / 04-08 Forester - 40 Micron Fuel Filter
Vendor:DeatschWerksRegular price $81.60 USDRegular priceUnit price / per$96.00 USDSale price $81.60 USDSale -
Cometic 100mm Bore MLS Headgasket .040" | Subaru 90-01 Impreza/Legacy 2.0/2.5L (H1631SPK040S)
Vendor:Cometic GasketRegular price $47.38 USDRegular priceUnit price / per$57.59 USDSale price $47.38 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
Engine Upgrades for Subaru Impreza WRX GR/GV: Unlock Your Vehicle’s True Potential
Enhance your Subaru Impreza WRX GR/GV with engine upgrades designed to improve power, throttle response, and reliability. This collection features parts tailored specifically for your model, ensuring seamless fitment and optimal performance gains for street or spirited driving.
What are the key benefits of upgrading your WRX GR/GV engine components?
Upgrading engine components can significantly enhance your WRX’s driving dynamics by improving airflow, boosting power delivery, and increasing engine efficiency. These enhancements also contribute to better throttle response and a more engaging driving experience, while supporting long-term reliability under higher stress conditions.
- Improved horsepower and torque through optimized intake and exhaust flow
- Enhanced throttle response for quicker acceleration
- Better engine cooling to maintain performance during demanding use
- Increased durability with upgraded materials and designs
How to choose the right engine upgrades for your Subaru WRX GR/GV?
Selecting the right parts depends on your performance goals and how you use your vehicle. Consider whether you want to focus on power gains, sound improvements, or overall engine efficiency. Supporting modifications like cooling upgrades and tuning components are essential to maximize the benefits and maintain reliability.
Explore our curated Subaru WRX GR/GV engine upgrades at WheelFlip
From high-performance intakes and exhaust systems to boost components and tuning accessories, our collection is built with fitment confidence and quality in mind. Shop WheelFlip to find the right engine upgrades that unlock the full potential of your Subaru Impreza WRX GR/GV and elevate your driving experience.













