Nh 4-Inch Mufflers Dresser 95-16Neighbor Hater Slip On MufflersNeighbor Haters are not for the faint of heart These are an aggressive slip on muffler, for those who think loud just isn't good enough Start as round 4 inch tubes, then bell out to 4. 5 inches, for an aggressive and classic design at the rear Internally, these mufflers have a spun and louvered baffle, but only for 8 inches; This is done in order to produce an aggressive, bark At the end of the baffle is a trumpet shaped