Exhaust Flappers & Shutters

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6 Item(s)

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    Exhaust Water Shutter

    SKU: SIERRA-18-2727 MSRP: $29.85 Quantity: 5 Brand: Sierra
    $19.28
    Exhaust Water Shutter Learn More
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    Mercruiser Exhaust Water Shutter

    SKU: SIERRA-18-2732 MSRP: $42.32 Quantity: 5 Brand: Sierra
    $27.19
    Mercruiser Exhaust Water Shutter. Sold individually - two required per engine. Learn More
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    Water Shutter

    SKU: SIERRA-18-2733 MSRP: $27.52 Quantity: 7 Brand: Sierra
    $17.71
    Water Shutter Learn More
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    3 in. Exhaust Flapper With Clamp

    SKU: SIERRA-18-4456 MSRP: $31.39 Quantity: 42 Brand: Sierra
    $20.14
    Exhaust protector valve mounts on the outside of 3 in. exhaust tip to prevent backflow of water into the exhaust. Learn More
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    4 in. Exhaust Flapper With Clamp

    SKU: SIERRA-18-4457 MSRP: $31.99 Quantity: 16 Brand: Sierra
    $21.40
    Exhaust protector valve mounts on the outside of 4 in. exhaust tip to prevent backflow of water into the exhaust. Learn More
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    Large Exhaust Flapper With Clamp

    SKU: SIERRA-18-4458 MSRP: $60.49 Quantity: 6 Brand: Sierra
    $38.89
    Exhaust protector valve mounts on the outside of 5 in. & 6 in. exhaust tip to prevent backflow of water into the exhaust. Learn More

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6 Item(s)