![LB7, LLY, LBZ & LMM EGR Delete +Hp with AutoCal](http://derkscustomcars.com/cdn/shop/products/DuramaxLB7LLYLBZAutoCal_37b2e9f3-7046-405a-8aca-9553c1d20098_{width}x.jpg?v=1644460414)
LB7, LLY, LBZ & LMM EGR Delete +Hp with AutoCal
Remove EGR & Cat, if applicable from your LB7, LLY, LBZ & LMM Duramax, increase Hp, increase fuel mileage and durability.
Pick from one of the following Horsepower level:
- Tow,
- 60 HP,
- 80 HP,
- 100 HP
- 120 HP
We will send you a pre loaded AutoCal with the tune of your choice
At checkout please provide vehicle VIN so a proper file can be build the modified file