This housing is designed to relieve back pressure on the engine, providing more efficient low-end throttle response, a better tuned engine and increased fuel economy. Exhaust Housing designed for Outboards Mercury® (2.0L, 2.4L, 2.5L only) O.M.C. (V4-V6 only)
Yamaha (2.6 liter) Without modification to the engine, this simple, after-market add-on
is designed to relieve back pressure on the engine and results in more efficient
low-end throttle response, a better tuned engine and increased fuel economy.
Specifications: