General Discussion
Hi guys I have got a 03 LB7, bone stock brand injectors about 3,000miles ago it only has 117,000 miles on it. I just got a 4 inch straight pipe put on it. So I was wandering what is a good tuner to get BullyDog, EDGE, PPE? I wanna be able to roll some or a lot of coal, when I want to not all...