The muffler does not change emissions at all. All the emissions control
devices end at the cat. If you don't change anything forward of the
cat, you have not done anything that will affect chemical emissions
(noise emissions are another matter).
Bill Knight wrote:
> Don't know if anyone has checked this site. Granted it has very little
> information but it does not say anything about noise. Does mention about
> tampering/replacing emissions equipment. http://www.cleanairnj.org/. You
> can do search on "auto emissions inspection" and get alot of different
> sites. None of them say anything about decibels. About the closest they
> mention is the tampering with emission items. Unfortunatley they do not say
> anything about installin an aftermarket exhaust. My best interpetation is
> that with a muffler of the OEM is bad you can install another as long as it
> meets the emissions standards, which from my understanding they did not even
> hook the machine up. They just looked at it and assumed it would fail
> because it is not OEM. Take them on a walk through the parking lot. It's
> also my understanding that even if a vehicle has a certification if the
> emissions are tampered with the certification can be revoked. Good luck.
> And hope the site has some info that can help
>
> ""Kenneth Eng"" <keng@novadigm.com> wrote in message
> news:ak33co$bkq$1@bent.twistedbits.net...
>
>>Yesterday I took my 98 Dak with a Gibson Split rear exhaust system in to
>
> the
>
>>NJ DMV for inspection. The DMV failed me for having a "modified exhaust"
>>system. I then went to speak to a manager about why a modified exhaust
>>system would cause a failure. I was told that if it isn't a stock looking
>>or stock sounding exhaust system it is reason for failure. They did not
>
> say
>
>>I failed because it was too loud but because it was an aftermarket exhaust
>>system.
>>
>>I then went to a couple private inspection stations and they all told me
>>that in order for them to pass me I should put back on my stock system.
>>Good thing I kept the stock system.
>>
>>
>
>
>
This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 12:05:16 EDT