So I finally got my Sceptre Gold baffles, which bring the exhaust down to 1.5" for the last 8". Not sure how I feel about the sound yet, they are not as deep, and seem to be a little more sharp sounding. However, the new back pressure improved throttle response a lot, so I'm pretty excited about that.
I have a couple videos with sound
Originalhttp://www.youtube.com/watch?feature=player_detailpage&v=FQekM35Zjy4With Gold insertshttp://www.youtube.com/watch?feature=player_detailpage&v=yG6zWoojHbchere are the Sceptre stock inserts (about 24" long), the clean one is the new design

and here is the 8" Gold insert wrapped with fiberglass instead of steel wool
