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Abarth exhaust is too loud for new CA law... What to do?
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Thread: Abarth exhaust is too loud for new CA law... What to do?

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    Member shurik74's Avatar
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    Abarth exhaust is too loud for new CA law... What to do?

    As many of you heard already about new CA law for exhaust that not supposed to exceed 95db starting Jan 1, 2019. Apparently our Abarths become illegal coming from factory all stock cause it making over 100db. I was just wondering what we are going to do now?

    one of the good videos from YouTube...

    P.S. Pardon if there is an existing thread on this already...

    Last edited by Fiat500USA; 02-11-2019 at 11:48 PM. Reason: embedded video

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    pizzamann95's Avatar
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    You could always add a resonator. You’ll lose the raspy ness of the exhaust, but it’ll be compliant.
    2019 Subaru Crosstrek

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    Amministratore Fiat500USA's Avatar
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    There are no changes to the sound standards, just the fines. The sound standards have been the same for years and the stock Abarth exhaust was tested to meets those standards. No need to panic. I would take what you read about how loud the car is with a grain of salt because the aren't being tested to the SAE j1169 test standards procedures, which the factory tested them too.

    Now, if you have a cop that has a beef and wants to give you a ticket you can try to convince him it is a stock exhaust, but if they are being a jerk, you have to go to court and prove you have a stock exhaust or get a "Certificate of Compliance".

    You go to a referee center and they test your car and you get the "Certificate of Compliance" and take that to your court hearing. You have to check with the center for the costs involved:

    https://bar.ca.gov/Consumer/Referee_...ification.html

    More information on the facts vs. myths are here plus what you can do to repeal this BS situation:

    https://www.semasan.com/legislative-...aust-noise-law

    You guys need to get on your politicians out there. They suck! (you are not alone, ours suck too! )

    Here are pictures of the stock exhaust rear sections:

    Quote Originally Posted by Fiat500USA View Post
    Here is some background on the Abarth exhaust. As you may know, Abarth and Co. was one of the first aftermarket tuners. They sold performance parts for cars including their exhaust systems. Abarth exhaust systems became world famous and were eventually available for many different makes.

    This fact was not wasted on the development team of the NAFTA Abarth and they knew it was necessary for the car to have a signature sound to live up to the Abarth legacy. One of the goals of this team was to make our car more 'hardcore" than the original European model. The US Abarth team worked on many different systems - totaling somewhere around 15 - when they decided to try the car without a muffler. The rest is history and the car was born with a straight through exhaust system. This is in contrast to the European Abarth which uses a muffler.

    Original cars up to May 2012 have a housing around the straight pipes. This was eventually eliminated. Below is a copy from a thread on the exhaust systems explaining this. The information was provided exclusively to me by the Head Abarth Engineer.









    Some good links to read about and get familiar with the 500 Abarth:
    http://www.fiat500usaforum.com/showt...arth-engineers

    Good review with lots of specific details provided by company engineers:
    http://www.fiat500usa.com/2012/03/20...th-review.html

    Abarth tagged posts:
    http://www.fiat500usa.com/search/lab...20500%20Abarth


    As far as cars required to have mufflers. No, they just need to meet noise standards. These aren't federal standards by the way, but local. That is one of the reasons it took so long to get the exhaust system finalized. They had to make sure sure the car would pass all the noise standards throughout the country.
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    For the exhaust note (02-12-2019)

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    oh man, everyday, 10 motorcycles pass me on the 5 which seem WAY louder than a stock Abarth. What about them?

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    Fiat500USA (02-12-2019)

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    Amministratore Fiat500USA's Avatar
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    Quote Originally Posted by tvmaster View Post
    oh man, everyday, 10 motorcycles pass me on the 5 which seem WAY louder than a stock Abarth. What about them?
    Regrettably, the guys with the drag pipes on Harleys and the Fart Can Crowd did you guys in and ruined it for everyone.
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    Figures. Those things scare the crap outta me when they blow by between lanes doing 75

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    Fiat500USA (02-12-2019)

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    Amministratore Fiat500USA's Avatar
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    Quote Originally Posted by tvmaster View Post
    Figures. Those things scare the crap outta me when they blow by between lanes doing 75

    I'm with you on that. You can jump out of your seat if they surprise you and give you an obnoxious blast of exhaust. Not a big fan of those bikes. I'm sure NYS will follow up with some draconian laws they can think up. Man, the lawmakers and Politicians hate cars and car enthusiasts.
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    Ca. is a pretty good state for classic tolerance. Lots of grandfathered products on the roads down here. The noise law surprises me, especially since our biggest noise nuisance are leaf blowers...

  12. #9
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    I'm sure classic American cars are well taken care of, but my friends that have classic Fiats are always complaining. A lot of the add on emission devices for the old cars are really hard to find and they didn't work that well when new anyway. The GM sourced air pumps on older Fiats would seize and break the timing belt and were a big reason Fiats started getting a bad reputation in the mid to late 70s.
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    Senior Member Rocco Reviews...'s Avatar
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    I know this thread is old but California used to have this stupid law called an you have to have an adequate muffler law, now its gone, after ~276,555 car enthusiasts signed a petition to repeal it, and guess what? They won. Now my dad is tempted to put a glass pack resonator and a muffler delete on the FIAT. But your still stuck with the 95db law.

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