Pay in 4 interest-free payments of $68.75 Learn more
Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
With included clamps and pre-welded contour bends
An added feature is our APP that allows for live updates
making your truck feel more responsive
the GDP Downpipe is built to withstand the toughest conditions while offering a clean
Take full control of your Shift on the Fly (SOTF) setup with our redesigned Universal Non-Terminated Harness
MM3 GDP Support Package (2003-2021 5.9L/6.7L Cummins) 94-00_GM_6.5 With included clamps and pre-weldedThe MM3 platform has the ability to tune multiple vehicles with one unit. For those wanting just a tune and not the actual device, we are able to offer tunes only. This requires the purchase of a new support pack for the VIN# of the new truck being tuned. Please note that this package includes the tune file exclusively and does not come with the MM3 device.