2024 Gmc Duramax Tuner For Sale. This is the first tuner we are able to offer for these trucks and it is a great product. Additionally ppei is hands down the best tuning / custom tuner available when it comes to tuning any duramax,.

The stealth performance module is the perfect addition to your chevy/gmc duramax l5p (2024) diesel truck. The 2020 duramax l5p is rated at 445 horsepower and 910 foot pounds of torque.