Collection: Engine Upgrades For Subaru Impreza G4 GJ
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Fel-Pro Engine Conversion Gasket Set | Subaru WRX (15-20) / BRZ (13-20) / Scion FR-S (13-16) / Toyota 86 (17-20) (CS26524)
Vendor:Fel-ProRegular price $52.31 USDRegular priceUnit price / perSale price $52.31 USD -
Fel-Pro Crankshaft Seal Kit | Subaru WRX / BRZ / Scion FR-S / Toyota 86 (07-23)
Vendor:Fel-ProRegular price $55.05 USDRegular priceUnit price / perSale price $55.05 USD -
Fel-Pro Engine Oil Pan Gasket Set | Subaru BRZ / WRX / Toyota 86 (13-20 / 15-21 / 17-20)
Vendor:Fel-ProRegular price $30.28 USDRegular priceUnit price / perSale price $30.28 USD -
Banks Power Pedal Fits Monster Stand-Alone Throttle Controller 64325
Vendor:Banks PowerRegular price $295.00 USDRegular priceUnit price / per$327.78 USDSale price $295.00 USDSale -
Torque Solution Steering Damper Lockdown | Subaru WRX/Forester/Legacy GT (TS-SU-310)
Vendor:Torque SolutionRegular price $73.77 USDRegular priceUnit price / per$92.21 USDSale price $73.77 USDSale -
Radium 08-21 Subaru Fuel Hanger Plumbing Kit - Microglass
Vendor:Radium EngineeringRegular price $455.95 USDRegular priceUnit price / per$479.95 USDSale price $455.95 USDSale -
Radium Subaru Fuel Hanger For Walbro GSS342 or AEM 50-1200 - Pumps Not Included
Vendor:Radium EngineeringRegular price $493.95 USDRegular priceUnit price / per$519.95 USDSale price $493.95 USDSale -
Radium 08-21 Subaru Fuel Hanger Plumbing Kit - Stainless
Vendor:Radium EngineeringRegular price $474.95 USDRegular priceUnit price / per$499.95 USDSale price $474.95 USDSale -
Radium Subaru Fuel Hanger For Deatschwerks DW400 - Pumps Not Included
Vendor:Radium EngineeringRegular price $512.95 USDRegular priceUnit price / per$539.95 USDSale price $512.95 USDSale -
Radium Subaru Fuel Hanger For Walbro F90000267/274/285 - Pumps Not Included
Vendor:Radium EngineeringRegular price $512.95 USDRegular priceUnit price / per$539.95 USDSale price $512.95 USDSale -
Fel-Pro 15-21 Subaru WRX / 13-20 BRZ / 13-16 Scion FR-S / 17-20 Toyota 86 Engine Oil Drain Plug Gasket | Universal
Vendor:Fel-ProRegular price $3.51 USDRegular priceUnit price / perSale price $3.51 USD -
DeatschWerks 265 LPH In-Tank Fuel Pump | Subaru WRX (08-12) / STI (08-15) / LGT (05-09) (9-652-1008)
Vendor:DeatschWerksRegular price $127.20 USDRegular priceUnit price / per$159.00 USDSale price $127.20 USDSale -
Fel-Pro Engine Coolant Thermostat Housing Gasket | Subaru BRZ (14-23) / Forester (16-23) / Crosstrek (16-23) (36161)
Vendor:Fel-ProRegular price $2.14 USDRegular priceUnit price / perSale price $2.14 USD -
Fel-Pro Engine Water Pump Gasket | Subaru WRX / BRZ / Scion FR-S / Toyota 86 (07-23) (36042)
Vendor:Fel-ProRegular price $5.04 USDRegular priceUnit price / perSale price $5.04 USD -
Fel-Pro Engine Valve Stem Oil Seal Set | Subaru WRX/BRZ/Scion FR-S/86 (SS729331)
Vendor:Fel-ProRegular price $36.66 USDRegular priceUnit price / perSale price $36.66 USD -
DeatschWerks Fuel Pump Set Up Kit | Honda Civic (06-11) / Legacy GT (05-09) / WRX/STi (08-12) (9-1008)
Vendor:DeatschWerksRegular price $12.00 USDRegular priceUnit price / per$15.00 USDSale price $12.00 USDSale -
Fel-Pro Engine Crankshaft Seal Kit | Subaru WRX (13-20) / BRZ (13-20) / Scion FR-S (13-16) / Toyota 86 (17-20) (BS40748)
Vendor:Fel-ProRegular price $13.66 USDRegular priceUnit price / perSale price $13.66 USD -

Injen 13-20 Subaru BRZ 2.0L / 06-17 Subaru WRX/STI 2.0L/2.5L X-Pedal Pro Black Edition Throttle Cont
Vendor:InjenRegular price $189.37 USDRegular priceUnit price / per$243.75 USDSale price $189.37 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 -

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
Engine Upgrades for Subaru Impreza G4 GJ: Enhance Power and Performance
Unlock the full potential of your Subaru Impreza G4 GJ with engine upgrades designed specifically for your model. Whether you're aiming to boost horsepower, improve throttle response, or increase overall engine reliability, this collection offers carefully selected aftermarket parts that fit perfectly and deliver measurable performance gains.
What Are the Key Benefits of Engine Upgrades for the Subaru Impreza G4 GJ?
Upgrading your engine components can significantly improve your driving experience by enhancing power delivery and responsiveness. These upgrades often focus on optimizing airflow, exhaust flow, and engine cooling to maintain performance under demanding conditions. Improved parts also contribute to better throttle response and engine efficiency.
- Increased horsepower and torque through improved intake and exhaust systems
- Enhanced throttle response for quicker acceleration
- Better engine cooling to maintain reliability during spirited driving
- Optimized fuel efficiency with performance tuning components
How to Choose the Right Engine Upgrades for Your Subaru Impreza G4 GJ
Selecting the right parts depends on your performance goals and how you use your vehicle. Intake systems improve airflow, exhaust upgrades enhance sound and reduce backpressure, while cooling solutions protect your engine from heat soak. Performance tuning parts like ECU upgrades or boost controllers can further refine power delivery and drivability.
Explore Quality Engine Upgrades for Your Subaru Impreza G4 GJ at WheelFlip
Our curated collection includes intake kits, exhaust components, cooling solutions, and tuning parts tailored for the Subaru Impreza G4 GJ. Each product is chosen to ensure fitment accuracy and reliable performance gains. Shop now at WheelFlip to find the right upgrades that match your build and driving style.
















