Collection: Engine Upgrades For Subaru Impreza G2
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Manley 04+ Subaru WRX/STi (EJ257) 99.75mm Bore 1.2mm x 1.2mm x 2.0mm +.25mm Oversized Ring Set
Vendor:Manley PerformanceRegular price $155.20 USDRegular priceUnit price / per$163.37 USDSale price $155.20 USDSale -
Turbosmart BOV Dual Port Subaru-Black
Vendor:TurbosmartRegular price $409.49 USDRegular priceUnit price / per$454.99 USDSale price $409.49 USDSale -
Turbosmart BOV Dual Port Maz/Sub-Blue
Vendor:TurbosmartRegular price $409.49 USDRegular priceUnit price / per$454.99 USDSale price $409.49 USDSale -
Turbosmart BOV Dual Port Maz/Sub-Black
Vendor:TurbosmartRegular price $409.49 USDRegular priceUnit price / per$454.99 USDSale price $409.49 USDSale -
GFB Mitsubishi TD04 Internal Wastegate Actuator
Vendor:Go Fast BitsRegular price $209.25 USDRegular priceUnit price / per$232.50 USDSale price $209.25 USDSale -
Cometic Street Pro 04-06 Subaru EJ257 Gasket Kit Without Head Gasket
Vendor:Cometic GasketRegular price $179.21 USDRegular priceUnit price / per$192.71 USDSale price $179.21 USDSale -
Manley Subaru WRX / STI H Beam Connecting Rod Set | EJ18/20/22/25
Vendor:Manley PerformanceRegular price $494.31 USDRegular priceUnit price / per$575.56 USDSale price $494.31 USDSale -
Torque Solution MAP Sensor Adapter | Multiple Subaru Fitments (TS-SU-422)
Vendor:Torque SolutionRegular price $44.43 USDRegular priceUnit price / per$55.54 USDSale price $44.43 USDSale -
Manley Performance 83mm Stroker Piston Set with Rings | Subaru WRX STI (04+) (622000C-4)
Vendor:Manley PerformanceRegular price $679.55 USDRegular priceUnit price / per$760.03 USDSale price $679.55 USDSale -
Manley Sport Compact 99.5mm Bore 1.2mm x 1.2mm x 2.0mm Standard Ring Set
Vendor:Manley PerformanceRegular price $155.20 USDRegular priceUnit price / per$163.37 USDSale price $155.20 USDSale -
PERRIN 02-07 Subaru WRX / 04-21 STI / 06-08 FXT Bypass/Blow Off Valve - Red
Vendor:Perrin PerformanceRegular price $236.30 USDRegular priceUnit price / per$278.00 USDSale price $236.30 USDSale -
PERRIN 02-07 Subaru WRX/STI & 04-08 Forester XT Pro Electronic Boost Control Solenoid
Vendor:Perrin PerformanceRegular price $169.15 USDRegular priceUnit price / per$199.00 USDSale price $169.15 USDSale -
JE Pistons SUB STI EJ257 99.75mm Bore CR 8.5 KIT Set of 4 Pistons
Vendor:JE PistonsRegular price $899.99 USDRegular priceUnit price / per$899.99 USDSale price $899.99 USD -
JE Pistons SUB STI EJ257 100mm Bore CR 8.5 KIT Set of 4 Pistons
Vendor:JE PistonsRegular price $899.99 USDRegular priceUnit price / per$899.99 USDSale price $899.99 USD -
King Engine Bearings Performance Rod Bearing Set | Subaru WRX / STI EJ20/EJ22/EJ25 (+.025) (CR4280XP.026)
Vendor:King Engine BearingsRegular price $43.33 USDRegular priceUnit price / per$73.65 USDSale price $43.33 USDSale -
Brian Crower Adjustable Cam Gears for Subaru EJ205/EJ257 (Set of 2) - Exhaust Side Only
Vendor:Brian CrowerRegular price $464.00 USDRegular priceUnit price / per$464.00 USDSale price $464.00 USD -
GSC P-D 02-05 Subaru WRX EJ205 S2 Cams 272/272 Billet
Vendor:GSC Power DivisionRegular price $932.66 USDRegular priceUnit price / per$1,097.25 USDSale price $932.66 USDSale -
GSC P-D Subaru EJ255/EJ257 (USDM) w/Intake AVCS S3 Cams 282/282 Billet
Vendor:GSC Power DivisionRegular price $999.28 USDRegular priceUnit price / per$1,175.63 USDSale price $999.28 USDSale -
GSC P-D 02-05 Subaru WRX EJ205 S1 Cams 270/266 Billet
Vendor:GSC Power DivisionRegular price $932.66 USDRegular priceUnit price / per$1,097.25 USDSale price $932.66 USDSale -
GSC P-D Subaru EJ255/EJ257 (USDM) w/Intake AVCS S2 Cams 272/272 Billet
Vendor:GSC Power DivisionRegular price $999.28 USDRegular priceUnit price / per$1,175.63 USDSale price $999.28 USDSale
Engine Upgrades for Subaru Impreza G2: Boost Power and Reliability
Unlock the full potential of your Subaru Impreza G2 with targeted engine upgrades designed to enhance power, throttle response, and overall driving dynamics. This collection offers a range of quality aftermarket parts engineered specifically for your model’s unique requirements, ensuring reliable performance gains and seamless fitment.
What are the key benefits of upgrading your Subaru Impreza G2 engine components?
Upgrading engine components can significantly improve your vehicle’s responsiveness, power delivery, and durability. Enhanced intake and exhaust systems increase airflow efficiency, while cooling and management parts help maintain optimal operating temperatures under demanding conditions. Durable mounts and hardware reduce engine movement, improving reliability and driving feel.
- Improved horsepower and torque through better airflow
- Enhanced throttle response for quicker acceleration
- Increased engine reliability with upgraded mounts and cooling
- More aggressive exhaust sound without sacrificing fitment
How to choose the right engine upgrades for your Subaru Impreza G2 build?
Selecting the right parts depends on your performance goals and daily driving needs. For power gains, focus on high-performance intake and exhaust components that optimize airflow. If reliability is a priority, consider upgraded engine mounts and cooling solutions to reduce stress on factory parts. Always ensure compatibility with your Impreza G2’s engine specifications to maintain fitment confidence and avoid installation issues.
Explore quality engine upgrades for your Subaru Impreza G2 at WheelFlip
Our curated collection features premium intake, exhaust, cooling, and mounting components designed to integrate seamlessly with your Subaru Impreza G2. Whether you’re upgrading for street performance or track use, find the right parts to enhance your engine’s power and response. Shop with confidence at WheelFlip and take your Impreza’s performance to the next level.

















