14-16 YAMAHA Bolt: Cobra Slip-On Exhaust (Black / 4") Great performance, price and sound are the hallmarks of these 3-inch mufflers. They come with 2-inch replaceable baffles, and chromed billet tips that can be located in three positions: slash cut, slash down and one in between. 3" chromed or black muffler bodies for great sound. Radially slashed, chromed billet tips can be rotated to three positions. Includes O.E.M.-style crossover on models that came stock with one for enhanced performance.