Quote:
Originally Posted by DocWalt
I'd recommend not using the OEM gasket on the overpipe connection... It's not big enough to crush completely due to the JDL flange being a 2.5" opening vs the factory 2". 
The JDL provided gasket seals fine. Still a lot of wooshy noise thanks to the change in pipe diameter. Thanks to JDL for the pic from their development thread: |
Might the grimmspeed gasket work better for the overpipe connection? So there's no way to avoid the "wooshy" noise?