Shoemaker Performance Level 2 Tune (2020–2022 Mustang Shelby GT500)

Advanced Calibration for High-Performance GT500 Builds

The Shoemaker Performance Level 2 Tune is designed for 2020–2022 Mustang Shelby GT500 owners pushing beyond basic bolt-ons. Built for extensively modified and high-horsepower setups, this calibration provides the precision needed to maximize power, drivability, and reliability with upgraded components.

Built for Extensive Modifications

Level 2 tuning covers everything beyond Level 1, including built engines, upgraded fuel systems, aftermarket injectors, and aggressive performance combinations. This tuning level is ideal for GT500 owners seeking maximum performance from serious modifications.

E85 & Race Gas Support

This calibration supports alternative fuels such as E85 and race gas, allowing your GT500 to take advantage of higher octane, improved cooling, and increased horsepower potential when paired with the correct fuel system and supporting parts.

Tailored for Maximum Power

Shoemaker Performance customizes the tune around your specific setup, optimizing fuel delivery, ignition timing, throttle response, and overall engine behavior. The result is a powerful, refined, and reliable calibration designed for your exact build.

Key Features

• Designed for 2020–2022 Mustang Shelby GT500
• Supports extensively modified and built engine combinations
• Compatible with upgraded return fuel systems
• Supports aftermarket injectors
• Compatible with E85, race gas, and alternative fuels
• Optimizes horsepower, torque, throttle response, and drivability
• Custom calibration tailored to high-performance modifications
• HP Tuners platform required (HPTuners only)

Vehicle Fitment

• 2020 Ford Mustang Shelby GT500 5.2L Supercharged
• 2021 Ford Mustang Shelby GT500 5.2L Supercharged
• 2022 Ford Mustang Shelby GT500 5.2L Supercharged

Important Notes

• HPTuners platform required for tuning
• Designed for advanced/high-performance GT500 builds
• Requires supporting fuel system and injector upgrades where applicable
• Supports E85 and race gas with proper supporting components
• Not intended for basic stock-fuel-system setups

If your GT500 is equipped with serious performance upgrades and you want a calibration built to maximize your combination, the Shoemaker Performance Level 2 Tune delivers the advanced tuning your build demands.