2024 Duramax Tuning. For those that like to monitor your engine systems the cts3 from holley/edge performance products just released their update for the 2024 duramax. See our picks for the best tuners for duramax as you research your duramax tuning options!

Expect improved fuel economy, better towing performance with edge. This was admitted by one of the gm techs as well already anyhow, which confirms my feeling in the truck.