Banks 2024 Duramax Forum. Adds power, sharpens turbo response, and. We’ve got one of the first 2024 duramax gmc sierra denali 3500 hd ultimates in the shop, and it’s on the dyno!

A forum community dedicated to chevrolet silverado and gmc sierra pickup owners and enthusiasts. If you’re looking to build a hugely powerful duramax diesel engine, then gale banks and the folks over at banks power are the wrenches you want in your corner.