I heard a goat the other day which had no mufflers. Belongs to a kid who works at the dealership where I bought mine. He just stuck straight pipes where the mufflers shoulda been. Didn't do much for the sound at idle, but lemme tell you....it flat out roars when the trottle is tromped. Forget Flowmaster, i want the ancient carburated chevy 350 with open headers sound from under my goat. I will be doing the same real soon on my own!