Seachoice Marine Exhaust Systems
- Seachoice®3" Black Rubber Exhaust Flappers, 2 Pack (28351)3" Black Rubber Exhaust Flappers, 2 Pack by Seachoice®. Black rubber with adjustable stainless steel clamp. Flap valve prevents following seas from entering exhaust outlet when stopping or moving slowly. All stainless steel clamps...Built for maximum strength and enduranceExpertly crafted from the highest grade materials$38.07