Collection: Engine Upgrades For Subaru Outback BP
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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 -
Manley 2.5L EJ257 Piston | Subaru WRX STI (99.75mm Bore) (621002C-1)
Vendor:Manley PerformanceRegular price $174.81 USDRegular priceUnit price / per$190.01 USDSale price $174.81 USDSale -
Manley 83mm Stroker Piston Set with Rings | Subaru WRX STi (04+) (622100C-4)
Vendor:Manley PerformanceRegular price $679.55 USDRegular priceUnit price / per$760.03 USDSale price $679.55 USDSale -

Manley 04+ Subaru WRX STI EJ257 STD Stroke 99.5mm STD Bore 8.5:1 Dish Piston | Subaru WRX STI
Vendor:Manley PerformanceRegular price $169.89 USDRegular priceUnit price / per$190.01 USDSale price $169.89 USDSale -
Manley 83mm Stroker Piston Set | Subaru WRX STi (04+) (622002C-4)
Vendor:Manley PerformanceRegular price $679.55 USDRegular priceUnit price / per$760.03 USDSale price $679.55 USDSale -
Manley Extreme Duty Stainless Valves | Subaru WRX (EJ20) / 2004 STi (11139-8)
Vendor:Manley PerformanceRegular price $506.87 USDRegular priceUnit price / per$652.79 USDSale price $506.87 USDSale -
Manley 75mm DE-Stroked Piston Set | Subaru WRX STI (EJ257) (621105C-4)
Vendor:Manley PerformanceRegular price $679.55 USDRegular priceUnit price / per$760.03 USDSale price $679.55 USDSale -
Manley 99.75mm STD Stroke +.25mm Bore Dish Piston Set | Subaru WRX STi (04+) (612102C-4)
Vendor:Manley PerformanceRegular price $679.55 USDRegular priceUnit price / per$760.03 USDSale price $679.55 USDSale -
Manley Race Master Exhaust Valve | Subaru WRX EJ205 / EJ257 (Single) (11171-1)
Vendor:Manley PerformanceRegular price $24.40 USDRegular priceUnit price / per$31.42 USDSale price $24.40 USDSale -
Manley Performance 75mm DE-STROKED Piston Set | Subaru WRX STi (04+) (SKU: 621100C-4)
Vendor:Manley PerformanceRegular price $679.55 USDRegular priceUnit price / per$760.03 USDSale price $679.55 USDSale -
Aeromotive 340lph Dual Drop-In Stealth Fuel System | Subaru WRX/STi (08-20) (AF18082)
Vendor:AeromotiveRegular price $876.22 USDRegular priceUnit price / per$993.05 USDSale price $876.22 USDSale -
Aeromotive Top Feed Fuel Rails | Subaru WRX / STI (89-14) (14169)
Vendor:AeromotiveRegular price $256.01 USDRegular priceUnit price / per$290.15 USDSale price $256.01 USDSale -
Manley STD Stroke 99.5mm Bore Dish Piston Set with Rings | Subaru WRX STi (04+) (612000C-4)
Vendor:Manley PerformanceRegular price $679.55 USDRegular priceUnit price / per$760.03 USDSale price $679.55 USDSale
Engine Upgrades for Subaru Outback BP: Boost Power and Reliability
Optimize your Subaru Outback BP’s engine performance with our specialized collection of engine upgrades. Designed to enhance power delivery, throttle response, and engine durability, these parts are tailored to fit your model perfectly, ensuring a seamless upgrade experience.
What are the key benefits of upgrading your Subaru Outback BP’s engine?
Upgrading your engine components can significantly improve your vehicle’s overall performance and reliability. Enhanced power and torque output translate to better acceleration and responsiveness, while improved cooling solutions help maintain engine durability under demanding conditions.
- Increased horsepower and torque for a more dynamic drive
- Sharper throttle response for improved drivability
- Enhanced engine cooling to prevent overheating
- Greater engine longevity with quality aftermarket parts
How to choose the right engine upgrades for your Subaru Outback BP
Selecting the appropriate engine upgrades depends on your driving goals and current setup. Consider whether you want to focus on power gains, fuel efficiency, or engine sound. High-performance intakes and exhaust components offer power improvements, while cooling accessories and engine management parts support reliability and tuning precision.
Explore our Subaru Outback BP engine upgrades collection at WheelFlip
Our curated selection ensures each product fits your Outback BP’s engine configuration for hassle-free installation and optimal results. Whether you’re enhancing power, improving cooling, or refining throttle response, shop with confidence at WheelFlip to find the right parts for your build.

















