catback exhaust heat retention?

[Dave Hord]

 >If we don't want our exhuast gas to lose heat and slow down in the pipe,
would
 >it be beneficial to use some header wrap on the exhaust to keep the heat in?

Now _this_ is an interesting proposition! I've been wondering the same
thing, although for a different reason.  I have removed all of the aluminum
heat guards from the bottom of my car, from the centre muffler back. This
was due to the fact that the heat guards didn't take to the rallying too
well, and were falling off.  There is quite a bit of heat being passed onto
the bottom of the trunk area (as evident by the way the dirt marks exibit
'heat cracks')

If I could convince myself that header wrap would be a _performance_
upgrade...then I'd be out there this weekend doing it!!

-Dave