Slip-Ons represent the first step in theexhaust systemtuning process, and they offer a great balance between price and performance. Change the nature of your bike by adding more power,improved performance, and the unique Akrapovi sound. Everything is packed into stylishly designed Slip-On exhaust systems. The result of taking design very seriously is abeautifully craftedexhaust system. The muffler outer sleeve is made of titanium, while the end cap is made of carbon fibre.