Sierra Marine 18-4458 Exhaust Protector Valve
Sierra 18-4458 Exhaust Flap.
Fits 5" and 6" thru-hull exhaust outlets.
Features:
Fits 5" and 6" thru-hull exhaust outlets.
Features:
- Includes Stainless Steel clamp
- Fits 6" outlet without modification, and also fits 5" outlet by removing a small, marked section at the bottom of the clamp portion
- Heavy duty rubber flap valve helps to prevent water from surging into the exhaust system
| Brand | Sierra |
|---|---|
| Cross Reference / Specs | GLM MALLORY MARINE ENGINEERED MARINE PRODUCTS Specifications:
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