Before sending my stock muffler to Randy to get Hawked I ordered another stock muffler of Ebay for $50 bucks. I pulled my muffler off the bike and put the Ebay muffler on so I didn't miss a day of riding. The following day I got up for a ride and when I fired it up, the bike wanted to die so with a little twist of the throttle I noticed a isolation type material being blown out the muffler along with little brown pebbles.
Who ever I ordered the muffler from must have had it stored in a barn of garage for quite sometime and a mouse made his home out of my muffler. After a short ride it seemed to clear up and run the same as the old one.