Slip-Ons Represent The First Step In The Exhaust System Tuning 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 Akrapovic Sound. Everything Packed In Stylishly Designed Slip-On Exhaust Systems. The Result Of Taking Design Very Seriously Is Two Different Slip-On Exhaust Systems. Choose A Model With Either A Carbon Fibre Muffler Outer Sleeve Or Titanium One. All Slip-Ons Come With A Carbon Fibre End Cap. A Race-Proven Material.