Get a custom calibration built around your S650 Mustang’s exact naturally aspirated combination.Shoemaker Performance supports everything from stock and basic bolt-on cars to E85, intake-manifold swaps, camshafts, nitrous and other advanced engine combinations.

Choose the tuning level that matches your build:

• Level 1 — $350: Stock or basic bolt-on combinations using 91-93 octane, including common intake and exhaust upgrades
• Level 2 — $550: Adds support for E85 and aftermarket intake-manifold combinations such as a Cobra Jet
• Level 3 — $650: Advanced naturally aspirated builds including nitrous, camshafts, internal engine work and specialized fuels

This tune is supported through an HP Tuners RTD4 using the TDN app and requires four HP Tuners credits. The RTD4 and credits are not included unless specifically selected or purchased separately.

Fitment: 2024-2026 Mustang GT and compatible S650 5.0L naturally aspirated applications. Final compatibility depends on the vehicle’s modifications, fuel and tuning hardware.