Page 376 - REPOWER REFERENCE GUIDE (2020)

Testing the Exhaust System
Exhaust system tuning can be affected by various factors that are beyond the control of Mercury MerCruiser. Following are
several factors that can affect exhaust system tuning:
• Type and configuration of exhaust outlet.
• Length of exhaust hose.
• Amount of back‑pressure in the exhaust system.
Exhaust Resonator Kits Used on Sterndrive Models
CAN Be Used With: CANNOT Be Used With:
Transom mounted muffler tips Silent choice exhaust system
Water lift mufflers or other mufflers that are mounted outboard of Below swim platform exhaust
exhaust elbows
Open exhaust Mufflers that mount between exhaust elbow and exhaust tip

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