Leo Vince X3 Supermoto Race Exhaust System LeoVince titanium full systems feature a new carbon-fiber end cap which lets you quickly change from the 98dB open configuration to the 96dB insert with spark arrestor for off-road riding or noise-critical tracks. Supermoto-specific systems with additional tire clearance are available for selected models. X3 aluminum slip-ons give you the ultimate bang for your buck delivering excellent power and sound control. Made of best available CP1 Grade 4 titanium with 1mm thick sidewall durability Substantial weight savings over stock Full systems boost horsepower an average of 10% across RPM range Same systems developed and used by factory race teams Real carbon fiber heat shields 07 or older pipes have reliable sound check of 96dB insert in, 98dB insert out 08 or newer pipes have a reliable AMA rule sound check of 94dB CAD/CAM designed for precise fit Machine-specific tuned to work with stock fuel settings All in the Box ? USFS Spark Arrestor, Sound Inserts, Spring Tool Click Here for Additional Exhaust Information