Everything you Need to Know About Marine Exhaust Systems

Introduction Back in the 1970’s I became heavily involved in the mechanics of boats and before I knew it they became my passion. I have been lucky to have gained over 25 years of experience and 10’s of thousands of … Read More

Marine Exhaust Systems

There are no REQUIRED exhaust sizes for Cummins marine engines; there are RECOMMENDED minimum sizes that may or may not meet the required exhaust restriction requirements published by Cummins. Those two statements above are also applicable to most marine engine … Read More

Proper Technique for Clamping Exhaust Hose

Pictured is the proper way to clamp exhaust hose, distributing the crush force evenly both top and bottom.

Typical Properly Designed Marine Port & Starboard Exhaust Risers

The most important elements of a properly designed exhaust riser are as follows: The DRY section of the exhaust “rises” as far vertically as the engine compartment can allow, which creates a “spill over” point as HIGH as possible above … Read More