Akrapovi?’s Slip-On Line represents the first step in the exhaust system tuning process, and this all-new product for the Yamaha YZF-R1 is no exception. Featuring a completely titanium muffler with design inspired by Akrapovi?’s involvement with top-class race teams, the Slip-On Line exhaust will give the bike that “Grand Prix” look and also totally transform the bike by adding more power, improving performance, and giving it that unique sporty Akrapovi? sound. This beautifully crafted muffler is manufactured with race-proven materials and comes with a carbon fibre heat shield to further enhance the look.Exhaust can also be mounted on YZF-R1M model.