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Through Hull Exhaust Flap 40mm - 51mm

Quietlife Rubber Exhaust Outlet Flap (40mm - 51mm)

Part No. 409454

11.34 You pay £13.61 Incl VAT You pay £11.34 Excl VAT

RRP £15.12 £12.60

Save £1.51 (10.0%) Save £1.26 (10.0%)


1 reviews
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Brand Quietlife
Construction Rubber
Hose Tail Size 40mm (1-9/16"), 51mm (2")
Size Standard Size: 51mm, Cut Size: 40mm

Quietlife protecting end cover for through hull exhaust outlets, made from tough rubber. The flap acts as a check valve to help prevent sea water entering the exhaust outlet and flowing towards the engine. Without a flap, water can easily flow into the exhaust line when the boat is stopping or travelling slowly.

The Quietlife exhaust flap is adjustable to two different sizes. A stainless steel hose clip is also supplied, which can adjust to secure the exhaust flap whether it is at standard size or cut size.

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Customer ReviewsAdd a review

Fast Send, good product, how to modify
"Used to replace stainless exhaust flapper on Catalina 30 / M25XP. External flange is about 1 5/8" (42mm). This is the smallest flapper available (40-51mm). Initially I tried tightening the clamp to size but it distorted the rubber flapper and prevented proper functioning. I then cut a "ring" from a 2" (50mm) od, 1.5" (38mm) id wireless rubber exhaust hose, cut a very small slit, and used it as a "gasket" to build up the size of the exhaust flange. Worked like a champ with no distortion at all."
Don Dame
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