Formula 242ls remove baffles & flappers?
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Formula 242ls remove baffles & flappers?
Hello all, I'm currently having a 500hp + engine built for my 1989 Formula 242. I'm going to cut the baffles out and was wondering if I could leave the rubber flapper's off the exhaust tips? The butterfly flappers are gone that used to be in the transom. I moore the boat in the summer and wonder if water will back flow easily without any stoppers. I found new easy install 4" exhaust flappers I might buy just for safety. Any input?