Collection: Engine Upgrades For Subaru Impreza WRX STI GD
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Perrin 2.4" Turbo Inlet Hose Install Kit | 02-07 WRX / 04-21 STI (S-PSP-INT-401)
Vendor:Perrin PerformanceRegular price $33.75 USDRegular priceUnit price / per$45.00 USDSale price $33.75 USDSale -
Torque Solution V2 SS Oil Pickup w/ Windage Baffle | Subaru WRX/STI (04-21) (TS-SU-599-PBS)
Vendor:Torque SolutionRegular price $186.65 USDRegular priceUnit price / per$233.32 USDSale price $186.65 USDSale -

Torque Solution Turbo Heat Shield | 2002-2014 Subaru WRX and 2004-2021 Subaru WRX STI (TS-SU-697-S)
Vendor:Torque SolutionRegular price From $66.65 USDRegular priceUnit price / per$83.32 USDSale price From $66.65 USDSale -
Brian Crower 36mm Intake Valve | 2002 - 2009 Subaru WRX (BC3600-S)
Vendor:Brian CrowerRegular price $171.51 USDRegular priceUnit price / per$197.00 USDSale price $171.51 USDSale -
Perrin Engine Mount Kit | 2022+ Subaru WRX / Forester (PSP-DRV-056)
Vendor:Perrin PerformanceRegular price $230.63 USDRegular priceUnit price / per$369.00 USDSale price $230.63 USDSale -
Perrin Alternator Pulley - Blue | 2007-2021 Subaru WRX STI (PSP-ENG-119BL)
Vendor:Perrin PerformanceRegular price $38.13 USDRegular priceUnit price / per$61.00 USDSale price $38.13 USDSale -
Torque Solution Billet Thermostat Housing | Subaru WRX/WRX STI/Legacy GT (02-21) (TS-SU-755)
Vendor:Torque SolutionRegular price $59.54 USDRegular priceUnit price / per$74.43 USDSale price $59.54 USDSale -
COBB FMIC BPV Adapter | Subaru WRX (08-14) / Legacy GT (05-09) (824500)
Vendor:COBBRegular price $80.00 USDRegular priceUnit price / per$80.00 USDSale price $80.00 USD -
COBB Silver Front Mount Intercooler | Subaru WRX/STI (04-07) (712502-SL)
Vendor:COBBRegular price $1,125.00 USDRegular priceUnit price / per$1,125.00 USDSale price $1,125.00 USD -
Perrin Diverter Valve - Red | 2022+ Subaru WRX / Ascent / Legacy / Outback (PSP-TAC-616RD)
Vendor:Perrin PerformanceRegular price $123.13 USDRegular priceUnit price / per$197.00 USDSale price $123.13 USDSale -
DeatschWerks 04-06 Subaru STI/LGT Side Feed to Top Feed Fuel Rail Conv Kit w/ 2200cc Injectors
Vendor:DeatschWerksRegular price $989.00 USDRegular priceUnit price / per$989.00 USDSale price $989.00 USD -
DeatschWerks 04-06 Subaru STI/LGT Side Feed to Top Feed Fuel Rail Conv Kit w/ 1000cc Injectors
Vendor:DeatschWerksRegular price $619.00 USDRegular priceUnit price / per$619.00 USDSale price $619.00 USD -
DeatschWerks 08+ Subaru WRX/STI X2 Series Pump Module -8AN Feed w/ -6AN Return CPE Plumbing Kit
Vendor:DeatschWerksRegular price $636.65 USDRegular priceUnit price / per$749.00 USDSale price $636.65 USDSale -
Deatschwerks Set of 4 Bosch EV14 1250ccBosch EV14 Injectors for Subaru WRX 02-14
Vendor:DeatschWerksRegular price $569.00 USDRegular priceUnit price / per$569.00 USDSale price $569.00 USD -
DeatschWerks DW440 440lph Brushless Fuel Pump Single/Dual Controller w/ Install Kit 93-07 Subaru WRX
Vendor:DeatschWerksRegular price $449.65 USDRegular priceUnit price / per$529.00 USDSale price $449.65 USDSale -
DeatschWerks 04-06 Subaru STI/LGT Side Feed to Top Feed Fuel Rail Conv Kit w/ 1200cc Injectors
Vendor:DeatschWerksRegular price $699.00 USDRegular priceUnit price / per$699.00 USDSale price $699.00 USD -
DeatschWerks 02-14 Subaru WRX / 07-14 Legacy GT / 07-14 STI Bosch EV14 1500cc Injectors (Set of 4)
Vendor:DeatschWerksRegular price $859.00 USDRegular priceUnit price / per$859.00 USDSale price $859.00 USD -
DeatschWerks 02+ Subaru WRX / 07+ STI/LGT Top Feed Fuel Rail Upgrade Kit w/ 2200cc Injectors
Vendor:DeatschWerksRegular price $989.00 USDRegular priceUnit price / per$989.00 USDSale price $989.00 USD -
DeatschWerks Set of 4 2400cc Injectors for Subaru WRX 02-14/Legacy GT 07-12/STI 07-15
Vendor:DeatschWerksRegular price $989.00 USDRegular priceUnit price / per$989.00 USDSale price $989.00 USD -
DeatschWerks 04-06 Subaru STI/LGT Side Feed to Top Feed Fuel Rail Conv Kit w/ 1500cc Injectors
Vendor:DeatschWerksRegular price $949.00 USDRegular priceUnit price / per$949.00 USDSale price $949.00 USD
Engine Upgrades for Subaru Impreza WRX STI GD to Unlock Enhanced Performance
Designed specifically for the Subaru Impreza WRX STI GD platform, this collection offers a focused selection of engine upgrades that improve power delivery, throttle response, and overall driving experience. Whether you want to increase horsepower, boost reliability, or refine engine sound, these parts are engineered to fit your WRX STI’s unique specifications.
What are the key engine upgrades for the Subaru Impreza WRX STI GD?
Upgrading your WRX STI GD’s engine involves several core components that work together to enhance performance. Popular upgrades include high-flow performance intakes that improve air delivery, exhaust headers designed to reduce backpressure, and turbocharger enhancements that increase boost efficiency. Engine management solutions like standalone ECUs or piggyback systems help optimize tuning for these modifications.
- Performance air intakes for improved airflow and throttle response
- Aftermarket exhaust headers to maximize exhaust flow
- Turbo upgrades for increased boost and power potential
- Engine management systems for precise tuning and reliability
How do I choose the right engine upgrade for my WRX STI GD build?
Selecting the right engine parts depends on your performance goals and how you use your vehicle. For street-driven builds, focus on upgrades that balance power gains with daily drivability and reliability. Track or competition builds may require more aggressive turbo setups and advanced engine management. Consider supporting modifications such as upgraded fuel systems and cooling components to maintain engine health.
Why shop engine upgrades for Subaru Impreza WRX STI GD at WheelFlip?
WheelFlip offers a curated selection of engine upgrades tailored for the WRX STI GD platform, ensuring fitment confidence and quality. Our parts are chosen to help enthusiasts unlock their vehicle’s full potential while maintaining a balanced driving experience. Explore our collection to find performance intakes, turbo upgrades, exhaust components, and tuning solutions designed for your Subaru’s unique needs.










