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Thoroughbred Sku #: DUTMACHONE12023GM
Product Name: Duramax Tuner Stealth Mach 1 (64mm) Turbo - 2020-2023 GM Duramax L5P L5D Manufacturer: Duramax Tuner Thoroughbred Diesel Part #: DUTMACHONE12023GM Fitment Notes: 2020-2023 GM Duramax L5P L5D
The Duramax Tuner Stealth Mach 1 (64mm) Turbo is a direct bolt-on upgrade for 2020–2023 GM Duramax L5P and L5D trucks. Featuring a 64mm compressor wheel, it delivers improved airflow, quicker spool-up, and better throttle response compared to stock. Perfect for towing, daily driving, or mild performance builds, the Mach 1 provides a balance of power, reliability, and drivability. Available with a new actuator or without (for those reusing their factory actuator), it offers flexible installation options.
Duramax Tuner Stealth Mach 1 Turbo Features: