[DanEC]

On heat - remember the inner panels on the newer ERAs are aluminum instead of fiberglass, except for the one at the front of the wheel well. I'm going to insulate them on the inside and if need be - I can apply a coat of Lizard Skin in the vicinity of the pipes. I also plan to fabricate a "L" hanger to install in the wheel well, weld a stud on the bottom of the tailpipe and run that through a grommet in the hanger to hold the pipe firmly in location behind the tire. I'll drill out a couple of the wheel well liner rivets for 3/16 inch rivets and secure the hanger with them. I will set the inner clearance at about 1/2 inch and allow the rest (about 1 inch) to the tire. The gas tank shouldn't be a problem - we are only talking about 1/4 less clearance than ERA's design and I plan on having all of my pipes ceramic coated inside and outside.

I've heard video clips of the Spintech mufflers and your right - they are not quiet. Fortunately the compression in my motor is pretty mild and the cam is not extremely aggressive. But, at least most of the noise will be back there, behind me. That is the biggest muffler that will fit within the recess that ERA has provided in the frame for a muffler. A bigger mufffler is not an option except for going to a 4 inch thick muffler.