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Old     (superair502)      Join Date: Mar 2010       05-22-2010, 7:47 PM Reply   
The flap that covers my exhaust on ny super air fell off yesterday. Will I be okay to ride tomm? I'm worried about backing up or stopping and water rushing up and in.
Old     (DealsGapCobra)      Join Date: May 2010       05-22-2010, 9:19 PM Reply   
I hate to say this but I would not. Those are to prevent water from backing up and getting to the engine. You would probably be fine but the cost if you are not is very high.

Check around and see if you can find one or borrow one from a friend?
Old     (camassanger)      Join Date: Oct 2009       05-22-2010, 10:12 PM Reply   
I agree with Rob. Too risky. That simple little flap can prevent a huge headache. The exhaust manifolds turn up, so their usually much higher than the water line. but in reverse, it may push water hard enough to gt up there. I wouldnt wanna chance it (personally)
Old     (trace)      Join Date: Feb 2002       05-23-2010, 7:01 AM Reply   
You can make your own exhaust flaps very easily if you can get ahold of some thick sheet rubber. Not sure where you could find it on a weekend, though. I wouldn't run it either, knowing that a flap is gone.
Old     (mikeski)      Join Date: Aug 2003       05-23-2010, 11:56 PM Reply   
You have an inverta-flow muffler that should prevent the water from backing up into the block so you should be fine, but get the new flapper soon. I run a fresh air exhaust so there is no flap on mine. No issues while backing or stopping.
Old     (UNvisible)      Join Date: May 2010       05-24-2010, 7:08 AM Reply   
My flapper fell off and I didnt notice it for a while....never had an issue, but i did fix it eventually.
Old     (tdc_worm)      Join Date: Sep 2002       05-24-2010, 7:42 AM Reply   
can somebody demonstrate to me how water would rush into the exhaust below the water line, then up above the water line to the exhaust manifolds when there are spent gases that are being expelled? Also, if you own a Mastercraft or a Malibu w/ stainless steel exhaust tips, you must be in danger of sucking water through three feet of exhaust into your engine. if there was a danger of damaging your engine w/o running them, the MC and Malibu wouldnt offer stainless tips w/o flappers as an option.

sorry for the smart ace comments, but that flapper is open all the time when the engine is running, no matter what direction you are going in, otherwise you would not be expelling gases, and the engine would die...and water actually circulates through your exhaust and out the hole in the rear in order to keep the exhaust cool.
Old     (dirwoody)      Join Date: Apr 2003       05-24-2010, 7:57 AM Reply   
Quote:
Originally Posted by tdc_worm View Post
can somebody demonstrate to me how water would rush into the exhaust below the water line, then up above the water line to the exhaust manifolds when there are spent gases that are being expelled? Also, if you own a Mastercraft or a Malibu w/ stainless steel exhaust tips, you must be in danger of sucking water through three feet of exhaust into your engine. if there was a danger of damaging your engine w/o running them, the MC and Malibu wouldnt offer stainless tips w/o flappers as an option.

sorry for the smart ace comments, but that flapper is open all the time when the engine is running, no matter what direction you are going in, otherwise you would not be expelling gases, and the engine would die...and water actually circulates through your exhaust and out the hole in the rear in order to keep the exhaust cool.
Touche

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