Dry exhaust flaps??
#3
Registered
Maybe have some stainless flaps made you see on over the road trucks and construction equipment. At idle they might make a ton of clanking noise but I really don't know. The ones from Rex will work fine even after the rubber is burned out:
http://www.hardin-marine.com/p-12580...-flappers.aspx
http://www.rexmar.com/page230.html
http://www.hardin-marine.com/p-12580...-flappers.aspx
http://www.rexmar.com/page230.html
Last edited by 302Sport; 05-11-2013 at 11:33 AM.