Sierra 18-4456 Exhaust Protector Valve
Your Price: $17.93
Save: $10.55
(37% Off $28.48)
Part # 18-4456 2nd Day Air for $2 More Eligible
This item is found in the following Product Families

Pleasurecraft Exhaust Protector Valves
Exhaust Protector Valves
Premium Protector Valves for wet exhausts are made of 100% durable EPDM that is extremely resistant to UV light, ozone, heat, and weather aging. For …

Includes Stainless Steel Clamp 3"

Key Features:

  • Compounded rubber flapper valves are designed to prevent water from entering the exhaust system
  • Made with weather resistant EPDM with U/V stabilizer


  • Includes: Stainless Steel Clamp
  • Size: 3" or 76.2mm

Replaces OEM part #
Is this a 3 inch?
According to Sierra, this fits over a 3 inch valve. Meaning the I.D. of the part itself is a little larger than 3 inches.

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