This Full System Is Complete With A Lightweight Titanium Muffler And Stainless Steel Headers, Providing A Weight Savings Alongside Increased Power And Torque Gains. The Stunning Sporty Akrapovic Sound Is Ideally Suited To The Bike’s Racing Culture. Static Noise Level With Noise Insert: 101,6 DB@5500 RpmStatic Noise Level Without Noise Insert: 106,5 DB@5500 RpmOptional Track Day Link Pipe/Collector (Stainless Steel) Lowers The Noise Levels For Use On Racetracks Where Lower Noise Levels Are Required.Carbon Fibre Muffler Bracket (Needed For Mounting If Passenger Footrests Are Removed) Is Already Included Within The System.For Perfect Performance, Throttle Response And Durability, ECU Remapping Is Mandatory.THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.