Originally Posted by
Bruce B
I had "Dragon Packs" on my Valkyrie. They were truck stacks with glass packs inside. Had a bad drone to them. The Valk, of course, had no catalytic converter. Why then, I'm wondering, was there a drone if the drone on the F6B is being attributed to the cats. I understand that there's a difference between the systems but still, the drone seems to be the same. On the F6B, I really like my black Rush pipes but did go to the smaller 2.25" baffles to reduce drone to a comfortable level.