
I'm a little confused by which gasket is recommended to go between the O2 housing and the downpipe.
There's this:
J-Pipe to Downpipe Ring Gasket (DET Motor)

And then, of course, the 3 bolt gasket.

Which one is recommended?
There's this:
J-Pipe to Downpipe Ring Gasket (DET Motor)

And then, of course, the 3 bolt gasket.

Which one is recommended?