● fiberglass muffler for heat dissipation and Cryptosporidium. Can be used for car or bike. Heat resistant sa-mobante-zi "has been released. To Wrap Around Your Bike Exhaust the heat of your heat control EX mani, front pipe, muffler, generating the heat dissipation to wrap around to the part. Heat Protect your various parts from harm. When you get your foot burns or bag. ● The heat dissipation to improve engine power, the engine room inside to prevent burnt engine cold air intake air temperature, water temperature, oil heat down to just connect us to increase your power or temperature reduction to prevent exhaust efficiency and appearance. Your excellent value exhaust heat disbursement belt