Vance & Hines 4 Round Twin Slash Slip-On Muffler Enhance your M8 Softail's aesthetics and acoustics with a Twin Slash Slip-On muffler, complete with a 2-1 header from the factory. Its hallmark Twin Slash end treatment and distinctive sound create a bold impact, seamlessly complementing the stock header's finish. Features: 4-Inch round muffler body Signature twin slash end treatment Classic stamped logo Available in chrome or wrinkle black