Description Compatible with many Chinese brandHigh quality durable fashionable designGY6 150cc Based Chinese scooter enginesThis is a complete exhaust system including head pipe muffler with gaskets and mounting hardwareSpecification Material Stainless SteelColor Red Black Blue Silver Iron GreyDimension As the picture showsExhaust Muffler Outside diameter 320mm 12 6inFitment GY6 50cc 150cc150cc 4 stroke Chinese scootersNote No user manual Professional installation is highly recommendedPlease check the size measurement chart carefully before making paymentPlease allow 0 5 1 inch difference due to manual measurement 1 inch 2 54cm The compatible vehicles list just for your reference plz check the size before you buyPackage Included 1 X Exhaust System With Accessories