Exhaust Guard Flapper for Sierra 18-4458 Boat Marine (5" & 6")

Includes: - Exhaust Guard Flapper

Fits Models: - Sierra Marine

Model Years: - Check fitment before purchase

Submodels: - Applies to listed models

Engine Options: - Compatible with standard engine options

Description: The Sierra 18-4458 Exhaust Guard Flapper is designed for marine applications, specifically for use in boats. This flapper helps prevent backflow of exhaust gases. It is compatible with both 5" and 6" exhaust systems.

Features: - Durable construction for marine environments - Prevents backflow of exhaust gases - Fits both 5" and 6" exhaust systems - Straightforward to fit and replace