My 05 GT manual with C&L/Predator, Offroad X, and Magnaflow mufflers ran
[email protected] with a 1.956 60'. That's on the stock Pirelli tires, stock 3.55 gear, factory tire pressure, and full weight. The car had a full tank of gas and luggage in the trunk. The next run I ran 13.1@109. Fact of the...