2020+ Shelby GT500 Tune

Stage 1 Tuning Level covers stock engine configurations and basic bolt-on modifications, assuming you're using the original, stock-style fuel system AND stock injectors. This Stage 1 tuning level covers vehicles running on 93 octane fuel, providing optimized performance for everyday driving with readily available fuel.

Stage 2 Tuning Level covers everything beyond Stage 1, including extensively modified or built engines. The Stage 2 tuning level covers vehicles with upgraded return fuel systems, aftermarket injectors, and those utilizing alternative fuels like E85 or Race Gas. Choosing Stage 2 allows for maximum performance gains tailored to your specific, high-performance modifications.