2024 Gmc Duramax Hp Boost. We’ve got one of the first 2024 duramax gmc sierra denali 3500 hd ultimates in the shop, and it’s on the dyno! Higher boost pressure from the turbocharger, compared to the previous engine, helps the l5p produce more power.
Higher boost pressure from the turbocharger, compared to the previous engine, helps the l5p produce more power. Learn how to add over 100whp and 200wtq to the duramax l5p with mods like a tuner, cold air intake, downpipe, exhaust, and intake horn.