HPF STAGE 3 | 275KW

FORESTER XT 08-12 | HPF STAGE 3 | 275KW

The HP-F Stage 3 Performance Package for the 2008-2012 Subaru Forester XT has been developed for enthusiasts looking to extract significantly more performance from the turbocharged EJ255 engine. Combining upgraded intake airflow, enhanced intercooling, a complete turbo-back exhaust system and bespoke ECU calibration, this package delivers substantial gains in power, torque and throttle response while maintaining the practicality and reliability that make the Forester XT such a versatile performance SUV.

Every upgrade begins with a comprehensive pre-upgrade dyno assessment, establishing baseline power and torque figures before any modifications are carried out. This provides an accurate benchmark and allows us to clearly demonstrate the gains achieved throughout the upgrade process.

At the heart of the package is a combination of a Process West Cold Air Intake System, Process West Top Mount Intercooler Upgrade and a complete Invidia Turbo-Back Exhaust System. Together, these proven performance upgrades dramatically improve airflow through the engine, allowing the turbocharger to operate more efficiently while reducing intake temperatures and exhaust restriction.

The upgraded top mount intercooler provides significantly improved cooling capacity compared to the factory unit, helping maintain consistent intake air temperatures under demanding driving conditions. Combined with the increased airflow from the cold air intake and the reduced back pressure of the turbo-back exhaust system, the result is stronger boost response, increased mid-range torque and improved power throughout the rev range.

To maximise the benefits of these upgrades, HP-F performs a bespoke custom ECU dyno calibration tailored specifically to your vehicle. Extensive dyno testing is utilised to optimise boost control, ignition timing, fuel delivery and throttle response, ensuring safe, reliable and repeatable performance gains.

The result is a Forester XT that feels significantly stronger and more responsive, delivering harder acceleration, improved turbocharger response and a broader, more usable powerband. Whether used as a daily driver, family vehicle or weekend performance machine, the increase in performance is immediately noticeable.

Once tuning is complete, every vehicle undergoes comprehensive dyno validation and testing to verify performance, drivability and reliability. A final dyno run is then completed to compare against the original baseline figures, clearly demonstrating the improvements achieved through the Stage 3 package.

At the completion of the upgrade, you'll receive a detailed before-and-after dyno report showcasing the final power and torque gains. The result is a Forester XT that delivers exceptional turbocharged performance, enhanced responsiveness and a significantly more engaging driving experience, backed by HP-F's proven Subaru tuning expertise.

Take your Subaru Forester XT to the next level with HP-F's professionally engineered and dyno-tested Stage 3 Performance Package.

Package Includes

1 x Process West cold air intake
1 x Process West top mount Intercooler
1 x Invidia turbo back exhaust system
1 x Custom ECU dyno tune 
1 x Before and after dyno graph
1 x Labour to fit, tune and test

Key Features

Featuring a Process West Cold Air Intake, Process West Top Mount Intercooler Upgrade, Invidia Turbo-Back Exhaust System and custom ECU dyno calibration, the HP-F Stage 3 Package delivers substantial gains in power, torque and turbocharger response from the EJ255 platform.

Notes

• *Please note: Power figures are estimates only and actual figure's may vary.
• We recommend all vehicles coming to HPF for tuning run 98 Octane fuel. Please contact us if you have a need to use different fuel.
• Power figures listed are estimated kilowatts at the flywheel based on results typically obtained by HPF on HPF’s dynos. Typically these are based of a manual vehicle with standard driveline and standard wheels and tyres. Actual power can vary based on each specific vehicle.
• Modifications such as this package require the vehicle to be in excellent mechanical order.
• We advise against increasing the power output substantially on high kilometer engines, if your engine has in excessive of 150,000kms please contact us to discuss options.
• Whilst every attempt is made to ensure prices listed online are correct, they are subject to change at any time.
• Additional parts may be required in some cases depending on the condition of the vehicle. Cost of these parts and additional labor required may incur additional cost.
• Images are for illustration purposes only.

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