Installed V&H Dresser Duals, Rinehart slipons, SE air filter and PCV on 2010 Ultra Classis. After 1000 miles I noticed the right (rear cylinder) muffler turning yellow. After about another 500 miles developed a bad rattle when letting off the throttle. Worse when cold. When cold I could slap the muffler and would make a bad rattling sound like the baffle was loose. Clearline Industries that make the Rineharts mufflers replaced both mufflers under warranty. Great people! Received new mufflers in two days after calling. I feel that the baffels were comming loose and the exhaust gases were bypassing the baffels and creating the yellowing. Has anyone else had this problem?