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So... is it legal to run with no muffler as long as you dont break sound level laws?

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Old 03-20-2001, 08:02 AM
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Default Mufflers dont regulate emissions any.. just noise levels correct??

thats what I thought too
Old 03-20-2001, 08:05 AM
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Default correct . . . the cat is for emissions along with other items at or near the engine

muffler does as it is called. . . it muffles the sound. As far as I know they are not required by law in NY State. I can't find anything on the NY State DMV Website as of yet.

In the inspection visual check they only are supposed to check emissions and whether the cat is present. Nothing is ever mentioned about a muffler. Muffler shops will put a straight pipe from the cat on back if you wanted to, but they won't remove the cat unless the car is for racing and not regged for the street.
Old 03-20-2001, 08:15 AM
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Default It varies from state to state, but technically you are not s'posed to tamper with emissions...

equipment which the exhaust is considered
Old 03-20-2001, 08:45 AM
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Default Only not supposed to tamper with exhaust cat on forward . . .

cat on back is allowed to be changed. That is a 50 state legal modification.
Old 03-20-2001, 09:08 PM
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Default

It really does sound nice. I like it a lot as well
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Quick Reply: So... is it legal to run with no muffler as long as you dont break sound level laws?



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