Aluminum exhaust tubes, why not?

[Barnstorm]

Originally Posted by Phillip marvetz

I would think the reason people don't use it is because it's harder to bend, I have never tried to run any thru my pipe bender but I suspect it would be prone to collapsing or cracking and most exhaust shop's are not capable of doing mandrel bends.

Oh and we don't run mufflers on racecars, lol

In the sixties we made some hedders out of a flange kit and "flex-a-tube" bendable aluminum tailpipe in about an hour on a 57 chev and picked up 3mph. No collector. Warren Johnson looked at it and wished us luck.