One of the primary benefits of fiberglass marine exhaust pipes is their resistance to corrosion. In a marine environment, metal exhaust systems are susceptible to rust and deterioration due to constant exposure to saltwater and moisture. Fiberglass, on the other hand, does not corrode, allowing it to maintain structural integrity and prolonging its lifespan. This durability is particularly important for recreational boats and commercial vessels, which can be subjected to harsh marine conditions.