4″ Silent Seal Easy Service Exhaust Flapper Assembly Top Pick

4″ Silent Seal Easy Service Exhaust Flapper Assembly (Each)

Atlast an answer to eliminating the annoying clanking and banging caused by olddesign stainless anti-burn exhaust flaps. It seems the many complaints ofknocking engine noises and fears caused by the sounds of anti-burn flaps havecreated the demand to develop and cure this problem once and for all. The allnew “Silent Seal” exhaust flap with its special high temp burn resistant rubbercompounded exhaust flap and stainless steel cage design provide the perfectanswer. This new flap design provides a superior seal and quiet operation. Theseflaps can easily be retrofitted to earlier style tips with just minor brazing orwelding of the flap cage to your exhaust tip. Flap is 3.850″ OD with 1″ center to center bolt mounting holes.