IS anyone running a Spark Arrester on there Graydon i was looking in getting super trapp disc series for it Graydon told me 4in Disc will work with the silencer.I was told that when i put the disc on that i would get more power low and mid and Db would be alot low because the Graydons pipes are to dam LOUD!!!!!!SO IF ANYONE OUT THERE IS RUNNING THIS SET UP LET ME KNOW HOW MANY DISC YOU ARE RUNNIG. THANKS.