After SCT Brenspeed Tune

Discussion in '2007 - 2014 Shelby GT500 Tech' started by 06BLR85, Aug 30, 2007.

  1. I installed a K&N and did the bernspeed tune and now my car no longer slows down when in gear going down hill, it speeds up. Does the tune disable engine braking? does make for smoother shifts though.