Collection: Engine Upgrades For Subaru Impreza WRX STI GR Sedan
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COBB Fuel Pressure Regulator Kit for Fuel Rail | Subaru WRX STI (08-21) (315250)
Vendor:COBBRegular price $380.00 USDRegular priceUnit price / per$380.00 USDSale price $380.00 USD -
COBB Fuel Rails Black | Subaru WRX STI (08-21) (343150)
Vendor:COBBRegular price $300.00 USDRegular priceUnit price / per$300.00 USDSale price $300.00 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 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 -
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 -
HKS SSQV4 BOV | Subaru WRX/WRX STI/Forester 2.5 XT (02-08) (71008-AF006)
Vendor:HKSRegular price $408.94 USDRegular priceUnit price / per$434.50 USDSale price $408.94 USDSale -
DeatschWerks 02-12 Subaru WRX / 07-12 Legacy GT/STI 2200cc Injectors (set of 4)
Vendor:DeatschWerksRegular price $859.00 USDRegular priceUnit price / per$859.00 USDSale price $859.00 USD
Engine Upgrades for Subaru Impreza WRX STI GR Sedan to Boost Performance and Reliability
Unlock the full potential of your Subaru Impreza WRX STI GR Sedan with precision-engineered engine upgrades designed specifically for your model. This collection offers a range of parts that enhance power delivery, throttle response, and engine durability, helping you achieve a more engaging and reliable driving experience.
What are the key benefits of upgrading your Subaru WRX STI GR Sedan’s engine components?
Upgrading engine parts can significantly improve your vehicle’s performance and longevity. Enhanced intake and exhaust systems increase airflow efficiency, while cooling upgrades help maintain optimal engine temperatures under demanding conditions. Performance mounts reduce unwanted vibrations, contributing to smoother power delivery and improved drivability.
- Improved horsepower and torque through better airflow and combustion
- Enhanced throttle response for quicker acceleration
- Increased engine reliability with upgraded cooling and mounts
- Refined engine sound that complements the sporty character
How to choose the right engine upgrades for your Subaru Impreza WRX STI GR Sedan?
Selecting the right parts depends on your driving goals and current setup. Consider whether you want to focus on power gains, engine sound, or overall drivability. Intake and exhaust components are ideal for power and sound improvements, while cooling solutions and performance mounts support reliability and handling. Always prioritize parts engineered specifically for the WRX STI GR Sedan to ensure fitment and function.
Explore premium engine upgrades for your Subaru WRX STI GR Sedan at WheelFlip
Our curated collection features quality aftermarket parts designed to complement your Subaru’s unique characteristics. Whether you’re upgrading for spirited street driving or track use, find intake kits, exhaust systems, cooling components, and mounts that fit perfectly and perform reliably. Shop with confidence at WheelFlip and elevate your WRX STI GR Sedan’s engine performance today.













