Akrapovic Slip-On Line Muffler - Titanium794081597 Product Description Product Instructions Created to fit seamlessly within the lines of the bike and utilizing a design used on Akrapovic products for the Adventure bike sector, this highly durable exhaust has a sandblasted high grade titanium muffler outer sleeve With a weight saving of 11. 6% (0. 5 kg) over stock, this system offers a deep and full V twin sound. Performance is enhanced with a power increase of 1. 3 kW (1. 7 hp) at 2,300 rpm