Quote:
Originally Posted by DaSkinnyGuy
current NJ law:
N.J. Stat. @ 39:3-70 (2002) [Mufflers]
Every motor vehicle having a combustion motor shall at all times be equipped with a [muffler] in good working order and in constant operation to prevent [excessive or unusual noise and]
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That right there tells you they can fail you for excessive or unusual noise and it's subjective. The 95 decibel part is for aftermarket exhaust systems to put an obvious limit on that.