A discerning rider knows that sometimes loud alone isn't enough - your bike needs to sound good too. Cobra created the 4" muffler for the Gold Wing and F6B , which provide look, sound, and perform unlike anything else on the market. Finished off with dual cut tips are the icing on the cake!; The Dual-Cut is available with a machined aluminum and black tip, and with a chrome or black muffler body The Dual-Cut mufflers, you get 4" bodies with mechanical steel cores, which provide the bark and the get-up-and-go for your Wing of choice Will fit earlier model Gold Wings as well, but the tips will extend past the end of the bags Limited Life Time Warranty