There are few things that bring a truck to life like our custom EFI Live tuning for you Duramax LBZ. We offer tuning from mild and stock tunes to 200 HP plus tunes that will throw you back in your seat and leave you with a grin from ear to ear. Amaze your friends and be the envy when you roll up and can just light the back tires up on the spot. Don't forget that we include the turbo brake tune standard with all of our towing tune for no extra charge, while other companies charge over $1000. Get your EFI Live tuning from us for you Duramax LBZ today, you will be glad you did!