https://www.offshoreonly.com/forums/ Discuss boating project relating to a restoration, modifications, and updates. en Wed, 20 May 2026 08:57:22 GMT vBulletin 120 https://www.offshoreonly.com/forums/images/misc/rss.jpg https://www.offshoreonly.com/forums/ https://www.offshoreonly.com/forums/restorations-upgrades/387942-gill-marine-exhaust-internal-flappers.html Sun, 03 May 2026 22:12:58 GMT 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... 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





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