Silicone Muffler of Motorcycles Model : EN650 Size ID.29/40 x OD.39/50 x L.416 mm Resistant to heat up to +270 °C, made from special grade silicone rubber. Excellent heat resistance when used. Silicone exhaust pipe manufacturing service For motorcycles according to the spec. Usage Tel : 0-2257-7154 / MB : 086-307-7319 Line OA : @PTIRUBBER