bruno wrote on 07/05/08 at 09:44:58:My bike is an 07' with 2700 miles now and everything was bone stock including brass plug . The dyna is supposedly a 2005 takeoff with the 80db warning label .If my stock muf was running like the label said 80db then it is running about 95 db now . also something iI found when comparing the 2 dyna mufs shipped to me ;one had a honeycomb and a label that said usa catalyst and the one I used did not have this label or the honeycomb . Anyone have an idea on this ?
Hmmmmm I was told that the 2006 Dyna's were catalyst muflers.
Getting the arm warm will not affect braking (brakes get reall hot anyway
) and it's not hot enough to affect the hardness of the arm. But, it will get dirty..... elbow grease.