Case 580B with G188D motor when I get the RPMS up I get a popping noise threw the exhaust?

A popping noise in the exhaust of a Case 580B with a G188D motor, especially at higher RPMs, can indicate incomplete combustion or a potential exhaust leak. This could be due to issues like a faulty fuel mixture, dirty air filters, or a malfunctioning ignition system. Additionally, check for any cracks or leaks in the exhaust system itself that could be causing the noise. It's advisable to inspect these components to diagnose and resolve the issue effectively.