LeoVince 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 16x13 roller weights for tuning!Please Note: This exhaust is designed to conform to European Road Standards. Removing the manifold restrictor leads to a significant performance improvement.