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Description
Sierra 18-4458 Universal 5" Exhaust Protector Valve
Sierra high-quality engine parts are designed to meet OEM specifications. Fits both 5" & 6" Exhaust and includes stainless steel clamp.
- Compounded rubber flapper valves prevent water from entering the exhaust system
- Made with weather resistant EPDM with UV stabilizer
- 5" requires two 45 degree cuts.
Replaces:
- GLM
- 89260
- Mallory
- 9-44002
California Residents: 
WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov
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