My tip's are made of plastic (not stainless)with a flapper. The boat I have it a "80" MC. I dont think the could put an internal flapper on them. If they can be made I will use the external flapper only. If this is the type of tip you are looking for?
Here is a pic of one of mine.
Last edited by americanskierJim; 03-02-2010 at 05:21 PM.