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 GP-Styled Slip-On Line System Is A High-Performance System For Race-Oriented Riders. Made From Titanium, A Race-Proven Material. The Exhaust System Modification Results In A Boost In Performance And Noticeable Weight Reduction.FITMENT NOTICE FOR US MARKET: Exhaust System Fits On 2019 S 1000 RR US Model.THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.