Automatically get 5% OFF Warranty Killer Performance brand products. No coupon code needed. Discounts shown during checkout.
Welcome to Warranty Killer Performance!
We will notify you when this product becomes available.
The 2.8L Duramax AutoCal comes with 4 different power levels, all of these power levels are safe for a stock trans and are HP increments over factory HP.
Optimized Stock- 15hp
Maxx Effort- 60hp
It takes about 10-15 minutes to install the tuning with the autocal. Once the tuning is installed the tunes can be changed off ...