Flowmaster has built a well-deserved reputation of walking the razor's edge of illegal, where exhaust noise is concerned. Not everyone agrees that everybody for a block or so in all directions wants to hear "an unmistakable hot rod sound" (your words, not mine). Some of us just think that's being rude.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!