Post by
Mr. LS »
https://forums.nicoclub.com/mr-ls-u85890.html
Wed Jan 09, 2008 8:36 pm
only one gasket is needed, they are usually rounded on one side, and inset rounded on the other, which allows for movement of the exhaust, but the exhaust flange gasket allows for the flex and make it so the exhaust won't leak.