3-1/2" Internal Butterfly Style Rubber Replacement Exhaust Flapper 

3-1/2" Internal Butterfly Style Rubber Replacement Exhaust Flapper

These original equipment style rubber flaps are designed to replace missing or burned out flaps. They can also be easily retro-fitted to tips that were not originally equipped with flaps. Note: Flaps are recommended in all wet exhaust systems. Sold each.