KD Custom ECM programming for Duramax LB7-Race level

Dual mode switchable tuning allows you to have your choice of two tunes available at all times! Tunes available to produce anywhere from 40HP economy to 250+HP Race. Includes DSP2 switch.

“This item requires an exchange ECM or we can provide one for an additional charge. See listings below.” – JK

Race Tune Dyno Plot

When comparing dyno numbers, please note that my dyno plots do NOT use correction factors. These are no BS dyno runs with no inflation to make sales. -JK