I mentioned before that all four of mine are gone
the screws and plates are still there
But flappers are history
I have the swirl things .
but my manifold is not very high compared to the tips
I modified a Harbor freight 24 inch Phillips to be a180
so I could hold the Phillips heads as I broke the 8mm nuts loose that were tack welded to the bolt
Have 4 new ones inbound from summit racing of all places

I love a thread with pictures, i can read but "swirl things" i thought you meant the cones that help stop water where the riser mounts to the manifold.

Like this exhaust cone, now i know there are swirl things.

motion to nominate the 180 phillips for best tool of the year so far award

they are a muffler of sorts
Reduce noise to near 10db
Without restriction
I think they are baffles..

Four new flappers are one
pita...
I figure if they mske it through season
Then during winter service
Pull tips
And swirly resonators and have tips cut square to accommodate clsmp on flappers