Answer
Nov 09, 2021 - 08:42 AM
What test procedure is the 79 dBA being measured at? GGB Quiet mufflers meet SAE J2567 stationary sound test of 88DBA, 4 meters (13') away @ 4000RPM. Our Quiet mufflers are very close to the stock muffler sound levels and meet any snowmobile sound testing that we're aware of.
