Leo Vince TT Exhaust for 50cc 2-Stroke Horizontal Engine Kymco, SYM ScootersSPECIFICATIONS: Head Pipe Bolt Hole Spacing: 54mmHead Pipe Inner Diameter: 23mm Removable SilencerIncludes Mounting Hardware and Instructional BookletAlso Includes 16×13 Roller Weights in 5.7gr for Further TuningCOMPATIBILITY: Kymco – Agility 50 2T, Grand Dink 50 2T, Heroism 50 2T, Like 50 2T, People 50 2T, Super 8 50 2T, Super 9 50 2T L/C, Top Boy (Cobra) 50 2T, Vitality 50 2T, Yup 50 2T, Yager 50 2TSYM – Jet 50 2T, Mask 50 2T, Shark 50 2T, Red Devil 50 2TLeoVince Exhaust for Horizontal Kymco and Sym Air Cooled 2-Stroke Engines. Kymco models include Agility 50, Bet&Win 50, Like 50, People 50, Super 8 50, Super 9 50, YUP 50, and Vitality 50. Sym models include Jet 50 BasiX/Euro/Sport, Jungle 50, Mask 50, Red Devil 50 and Shark RS 50.The LeoVince TT exhaust is a racing exhaust that works with 50-70cc cylinders. Includes mounting hardware and 5.7 gram 16×13 roller weights for tuning!Please Note: This