I don't know. It's a hoot whacking the throttle in 4th gear at 55mph and having the back of the car walk around on you. Be it my stock motor Coyote Mustang on snow tires on salty roads or my buddy's 600whp blown C6 on max performance summers, it's a good time. » 2/16/15 3:40pm 2/16/15 3:40pm