Vance & Hines Hi-Output Slip-On Muffler For Harley Street Your Harley-Davidson Street motorcycle deserves the sound you only get from Vance & Hines. This 4-1/2 Hi-Output Slip-On Muffler will make your bike roar through the urban jungle. They're also boldly stepped from 4 to 4-1/2 and finished with fluted machined-billet end caps with a laser-engraved badge for a sleek finish. Features Bold muffler design makes your Harley look and sound the way it should Includes mounting hardware and installation instructions Optional quiet baffle 160-1875 sold separately Note: Requires 2 Slip-on Gaskets 181-2432 to install (sold separately)