GDP-SK-4001 : Duramax DPF Service Kit (8.5″)

Gorilla Tuning AutoCal's provide a convenient platform to distribute custom tunes. Autocal's allow you to update and optimize the original tune without shipping and/or removing controllers from customers' vehicles. GDP - Gorilla Tuning AutoCal's can be configured in a variety of different ways to best suit your operational requirements and the needs.If you're looking for more power and performance, see what Gorilla Tuning can do for your Cummins or Duramax Diesel Truck.