I'm stumped, best time I ran my 2006 gt 5speed borla stingers, mac pro chamber off road mid pipe, lowered 1.25 inches, stock shocks, k&n air filter, 3.55 and 26x10.5 et streets and a Bama tune 12.95 at 106. Now I've upgraded to a steeda cai, 4.10 and bmr lower control arms w/relocating...