EFI Live GDP SOTF or Multi-tune Support Package (Chevy/GMC 01-10 Duramax) o_rear_axle_c the X4 puts the power

the X4 puts the power in your hands

designed for 2013-2018 Dodge 2500/3500 6

GDP performance exhaust delivers a throatier sound

reducing backpressure and improving turbo efficiency for noticeable gains in power and responsiveness

EFI Live GDP SOTF or Multi-tune Support Package (Chevy/GMC 01-10 Duramax) o_rear_axle_c the X4 puts the powerThe EFI Live 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 EFI Live device.