Collection: Engine Upgrades For Subaru Impreza WRX STI GD
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DeatschWerks 02+ Subaru WRX / 07+ STI/LGT Top Feed Fuel Rail Upgrade Kit w/ 1500cc Injectors
Vendor:DeatschWerksRegular price $949.00 USDRegular priceUnit price / per$949.00 USDSale price $949.00 USD -
DeatschWerks 08+ Subaru WRX/STI X2 Series Pump Module -8AN Feed w/ -6AN Return PTFE Plumbing Kit
Vendor:DeatschWerksRegular price $721.65 USDRegular priceUnit price / per$849.00 USDSale price $721.65 USDSale -
COBB High Flow Fuel Pump | Subaru WRX (08-14) / STI (08-21) / Legacy GT (05-09) (315450)
Vendor:COBBRegular price $190.00 USDRegular priceUnit price / per$190.00 USDSale price $190.00 USD -
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 Front Mount Intercooler Core Black | Subaru WRX/STI (04-07) (712502-BK)
Vendor:COBBRegular price $1,125.00 USDRegular priceUnit price / per$1,125.00 USDSale price $1,125.00 USD -
COBB 2.5" Front Mount Intercooler Hot Side Piping Kit | Subaru WRX/STI (04-07) (712500-H)
Vendor:COBBRegular price $375.00 USDRegular priceUnit price / per$375.00 USDSale price $375.00 USD -
COBB 2.5" Front Mount Intercooler Cold Side Piping Kit | Subaru STI (04-07) (712500-C)
Vendor:COBBRegular price $430.00 USDRegular priceUnit price / per$430.00 USDSale price $430.00 USD -
COBB 30"x10.35"x3.5" Black FMIC Kit | Subaru WRX/STI (04-07) (712500-BK)
Vendor:COBBRegular price $2,120.00 USDRegular priceUnit price / per$2,120.00 USDSale price $2,120.00 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 Silicone Turbo Inlet V2 Black | Subaru WRX/Legacy GT/Outback XT (08-14/05-09) (724450)
Vendor:COBBRegular price $290.00 USDRegular priceUnit price / per$290.00 USDSale price $290.00 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 V3 AOS Air/Oil Separator | Subaru WRX/STI/Forester XT (02-08) (811615)
Vendor:COBBRegular price $565.00 USDRegular priceUnit price / per$565.00 USDSale price $565.00 USD -
COBB 4 Bar Map Sensor | Subaru WRX (08-14)/Legacy GT (05-12)/Forester XT (09-13)/Outback XT (05-09) (A22100)
Vendor:COBBRegular price $205.00 USDRegular priceUnit price / per$205.00 USDSale price $205.00 USD -
COBB MAP Sensor Adapter Kit | Subaru WRX (08-14) / Legacy GT (05-09) / Forester XT (09-13) (A22600)
Vendor:COBBRegular price $65.00 USDRegular priceUnit price / per$65.00 USDSale price $65.00 USD -
COBB 4 Bar Map Sensor Kit | Subaru WRX (08-14)/Legacy GT (05-09)/Forester XT (09-13) (A22700)
Vendor:COBBRegular price $235.00 USDRegular priceUnit price / per$235.00 USDSale price $235.00 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 AccessPORT V3 ECU Tuner | Subaru WRX/STI (08-14) / Legacy GT (07-12) / Forester XT (07-13) / Outback XT (07-09) (AP3-SUB-003)
Vendor:COBBRegular price $770.00 USDRegular priceUnit price / per$770.00 USDSale price $770.00 USD -
COBB AccessPORT V3 ECU Tuner | Subaru WRX (06-07) / STI (04-07) / Legacy GT (05-06) / Forester XT (04-06) / Outback XT (05-06) (AP3-SUB-002)
Vendor:COBBRegular price $735.00 USDRegular priceUnit price / per$735.00 USDSale price $735.00 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.

















