Collection: Engine Upgrades For Subaru Impreza G2
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GSC Single Valve Spring Kit w/ Titanium Retainers | Subaru Multiple Fitments (5743)
Vendor:GSC Power DivisionRegular price $273.67 USDRegular priceUnit price / per$332.31 USDSale price $273.67 USDSale -
Mishimoto 08-15 Subaru WRX STI Top-Mount Intercooler Kit | Powder Coated Silver & Black Hoses (MMTMIC-STI-08SLBK)
Vendor:MishimotoRegular price $655.01 USDRegular priceUnit price / per$766.00 USDSale price $655.01 USDSale -

Manley 75mm DE-STROKED Piston Set with Rings | Subaru Impreza/Forester/Legacy/Outback (89-11)
Vendor:Manley PerformanceRegular price $679.55 USDRegular priceUnit price / per$760.03 USDSale price $679.55 USDSale -
Manley Turbo Tuff® I-Beam Connecting Rod | Subaru WRX (02-11) (14416R6-1)
Vendor:Manley PerformanceRegular price $326.89 USDRegular priceUnit price / per$347.33 USDSale price $326.89 USDSale -
GFB Mach 2 TMS Recirculating Diverter Valve | Subaru WRX / Legacy / Forester (92+)
Vendor:Go Fast BitsRegular price $198.90 USDRegular priceUnit price / per$221.00 USDSale price $198.90 USDSale -
Manley Subaru WRX STI 26cc Dish Piston | Subaru WRX STI (26cc) (622002C-1)
Vendor:Manley PerformanceRegular price $169.89 USDRegular priceUnit price / per$190.01 USDSale price $169.89 USDSale -
Manley 32mm Stainless Race Master Valves | Subaru WRX (00-03) / STi (04) (11155-8)
Vendor:Manley PerformanceRegular price $195.18 USDRegular priceUnit price / per$251.36 USDSale price $195.18 USDSale -
Manley 83mm Stroker 100mm +0.5mm Bore 8.5:1 Dish Piston Set with Rings | Subaru WRX STi (04+) (622005C-4)
Vendor:Manley PerformanceRegular price $679.55 USDRegular priceUnit price / per$760.03 USDSale price $679.55 USDSale -
Manley Performance 75mm DE-STROKED Piston Set | Subaru WRX STi (89-11)
Vendor:Manley PerformanceRegular price $679.55 USDRegular priceUnit price / per$760.03 USDSale price $679.55 USDSale -

Manley 75mm DE-STROKED 99.5mm STD Bore Dish Piston Set w/ Rings | Subaru WRX STi (04+) (621100C-1)
Vendor:Manley PerformanceRegular price $169.89 USDRegular priceUnit price / per$190.01 USDSale price $169.89 USDSale -
Manley Subaru WRX STi (EJ257) 99.5mm Bore STD Size 8.5 CR 83mm Stroke Piston | Subaru WRX STi (99.5mm Bore, 83mm Stroke) (622000C-1)
Vendor:Manley PerformanceRegular price $169.89 USDRegular priceUnit price / per$190.01 USDSale price $169.89 USDSale -
Aeromotive 450lph Drop-In Stealth Fuel System | Subaru WRX/STi (08-20) (AF18081)
Vendor:AeromotiveRegular price $827.56 USDRegular priceUnit price / per$937.90 USDSale price $827.56 USDSale -
Aeromotive Fuel Rail Kit | Subaru Impreza/WRX (02-14) (14135)
Vendor:AeromotiveRegular price $1,279.28 USDRegular priceUnit price / per$1,449.85 USDSale price $1,279.28 USDSale -
Manley Performance 83mm Stroker 99.75mm +0.25mm Bore Piston Set with Rings | Subaru WRX STi (04+) (622102C-4)
Vendor:Manley PerformanceRegular price $679.55 USDRegular priceUnit price / per$760.03 USDSale price $679.55 USDSale -
Turbosmart IWG75 Internal Wastegate Actuator | Subaru Impreza WRX/STi (97-21) (TS-0605-1072)
Vendor:TurbosmartRegular price $194.99 USDRegular priceUnit price / per$254.99 USDSale price $194.99 USDSale -
Manley 99.5mm STD Stroke 9.8:1 Dish Piston | Subaru WRX STI (04+) (612100C-1)
Vendor:Manley PerformanceRegular price $169.89 USDRegular priceUnit price / per$190.01 USDSale price $169.89 USDSale -

Aeromotive 2002-2014 Subaru WRX / 2007-2014 Subaru STI Fuel Rails | Subaru WRX / STI (02-14) (14134)
Vendor:AeromotiveRegular price $256.01 USDRegular priceUnit price / per$290.15 USDSale price $256.01 USDSale -

Manley 75mm DE-STROKED Piston | Subaru Legacy / Impreza / Forester / Outback / Audi A8 (89-11)
Vendor:Manley PerformanceRegular price $169.89 USDRegular priceUnit price / per$190.01 USDSale price $169.89 USDSale -
Manley 04+ Subaru WRX STI EJ257 STD Stroke 100mm +.5mm Bore 8.5:1 Dish Single Piston with Rings | Subaru WRX STI (04+) (612005C-1)
Vendor:Manley PerformanceRegular price $169.89 USDRegular priceUnit price / per$190.01 USDSale price $169.89 USDSale -

Manley 99.75mm STD Stroke +.25mm Bore Dish Single Piston and Ring | Subaru WRX STi (04+) (612002C-1)
Vendor:Manley PerformanceRegular price $169.89 USDRegular priceUnit price / per$190.01 USDSale price $169.89 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.
















