No way!! You got rid of your exhaust leaks!?! I still leak just a little bit (after 3 tries)... but I'm installing my turbo-back Vishnu exhaust this weekend, and the lower back pressure should prevent leaking in the up-pipe.
If not, then I'm gonna have to source a big-ass sheet (no small sizes... damn these industrial manufacturers!) of 1/8" thick flexible graphite and cut my own gaskets. (
http://www.mbigraphite.com/)