Yea i have heard and experienced the same thing. I had an 04 Chevy 6.0 before the truck I have now and I bought it brand new and couldnt tune in High speed at all so I know it wasnt the tune.
Yea i have heard and experienced the same thing. I had an 04 Chevy 6.0 before the truck I have now and I bought it brand new and couldnt tune in High speed at all so I know it wasnt the tune.
2005 Silverado 4x4 Duramax DSP2
4 inch straight exhaust, fuel rail shim kit, PVC re-route kit, modded intake horn, and air bag kit for towing.
1999 Camaro LS1 6 speed, torquer 3 cam, LS6 intake, MAF delete, and M9 rear w/ 4:10's.