Saw 150 on the speedo once when it was bone stock. Didn't believe it because the cars are speed limited. With the new setup, the limiter is off. But I won't go that fast again. Car is way too "busy" at that speed.
2011 Mustang GT, A6,Vortech by Beefcake, Beefcake Torque Booster, Circle D 2C, P305/35R18 M/T Street Radial IIs, Ford FRPP Springs, BMR Panhard Bar, BMR UCA and LCAs, DSS Shaft, Koni yellows, Lethal OR-H and OAP, Flowmaster Hushpowers