Sierra Exhaust Flapper 4" with Clamp Non-Current Compatible with all Mammut and

Compatible with all Mammut and Highmark Avalanche Airbags

outdoor fabric

NytroLite Foam

Pontoon Boat Mirror Bracket for superior rearview visibility

Sierra Exhaust Flapper 4" with Clamp Non-Current Compatible with all Mammut and4 Inch Exhaust Flapper Valve with Clamp for Boat Transom Protection Protect your engine and exhaust system with a durable 4 inch exhaust flapper designed to keep water out and performance strong. Made from weather resistant rubber, this flapper helps prevent backflow while reducing noise and extending the life of your marine exhaust components. Easy to install with the included stainless steel clamp, its a simple upgrade that delivers peace of mind on