Join Date: Sep 2000
Location: Washington, Michigan USA
No, it doesn't expand any more than regular steel does, but the guys who sell only regular steel would have you believe otherwise. My '57 Corvette has a full stainless steel system, and my tailpipe tips (through the bumpers) don't expand any further than my neighbor's Vette, which is identical except his system is regular steel; measured them both hot and cold, same expansion (about 3/8").
'69 Z28 Fathom Green