The Racing Line Represents A Full Step In The Exhaust System Tuning Process And Offers A Great Balance Between Price And Optimum Performance. Racing Performance Exhaust Systems Are Designed For Riders That Demand Maximum Performance From Their Motorcycle. The Systems Are Lighter Compared To The Stock Exhaust System And Feature Exceptional Production Quality And Increased Engine Performance Combined With Pure Racing Sound Output. A Combination Of Racing Materials Like Carbon Fibre For The Muffler Outer Sleeve And For The End Cap Give These Exhaust Systems A Racing Touch. This System Is A Combination Of Matching Components To Suit Specific Visual Or Performance Needs: Racing Headers Without Valve And With EC-Type Approved Muffler From Exhaust System S-B10R1C-HRC. THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.