4" Exhaust Flapper & Clamp Backflow Preventer for Marine (18-4457, 12644Q01)

Includes: - 4" Exhaust Flapper & Clamp Backflow Preventer

Fits Models: - Universal / check fitment before purchase

Model Years: - Check fitment before purchase

Submodels: - Applies to listed models

Engine Options: - Compatible with standard engine options

Description: This 4" Exhaust Flapper & Clamp Backflow Preventer is designed to prevent backflow in marine exhaust systems, ensuring optimal performance and safety. It is constructed from durable materials to withstand harsh marine environments and features a reliable clamp for secure installation.

Features: - 4-inch diameter for standard exhaust systems - Durable construction for marine applications - Prevents backflow to enhance engine performance - Straightforward to fit with included clamp - Suitable for various marine engine configurations