Bob ... you need to remove your front exhaust pipe and flat file the flange , expect to find it warped ..../ Norman Nock > > > I'm blowing out exhaust flange gaskets every 2-3K > miles or so. I've > > tried two > > types of gaskets--copper- and steel-faced--which > didn't make much of a > > difference. > > > > > Anyone else having this problem?