Quote:
Originally Posted by semtex
Exhaust bypass valves come standard on the factory exhaust for the Audi RS4. Is the RS4 illegal in NJ?
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Probably unless the had a special exception because it was a limited run, good luck getting one with out a legal division on hand. You are not allowed to have excess of 90db on a car's exhaust. Opening a cut out will do that easily and then some. No inspection station would let is pass either if they saw it.
39:3-70. Mufflers.
39:3-70. 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
no person shall use a muffler cut-out, bypass, or similar device upon a motor vehicle on a highway.