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Everything you wanted to know about California exhaust noise

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Old 12-17-09, 02:48 PM
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Everything you wanted to know about California exhaust noise

but were afraid to ask.

From the Apexi web site:

http://www.apexi-usa.com/content/pdf6366.pdf
Old 12-17-09, 03:10 PM
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Enforcement Guidelines

The only drivers who should be cited are those whose vehicles:

1. are not equipped with a muffler
2. clearly emit an offensive, harsh, excessive noise, or;
3. have a clearly defective exhaust system (holes, leaks, etc)

Certainly seems like #2 is way overlooked and abused by most LAPD/CHP now a days, regardless of the dB levels.
Old 12-17-09, 03:16 PM
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Originally Posted by Kerebrus
Enforcement Guidelines

The only drivers who should be cited are those whose vehicles:

1. are not equipped with a muffler
2. clearly emit an offensive, harsh, excessive noise, or;
3. have a clearly defective exhaust system (holes, leaks, etc)

Certainly seems like #2 is way overlooked and abused by most LAPD/CHP now a days, regardless of the dB levels.
#2 is on the police officer judgement, if it looks big it must sounds loud.
Old 12-17-09, 03:18 PM
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Originally Posted by Brody8877
#2 is on the police officer judgement, if it looks big it must sounds loud.
Pretty much. I had a lot of fun with dual apexi N1's unsilenced on my NA 13B 6 port motor with road race headers. 6 fix it tickets in 1 month. Not to mention, one officer said he literally heard me coming a quarter mile away.
Old 12-17-09, 03:38 PM
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Originally Posted by Kerebrus
Pretty much. I had a lot of fun with dual apexi N1's unsilenced on my NA 13B 6 port motor with road race headers. 6 fix it tickets in 1 month. Not to mention, one officer said he literally heard me coming a quarter mile away.
I had that too but i had an hks hi-power silent on my wrx. The main reason for him to pull me over was license plate light. Then he saw my exhaust and gave me a fix it...
Old 12-17-09, 03:58 PM
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^^^ High res version of yore avatar.

kthxbye
Old 12-18-09, 01:02 AM
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I have Apexi duel N1s with headers and i got pulled over yesterday for expired tags but they didn't say anything about my exhaust.

But just in case do you guys think the silencer Apexi offer makes a noticeable difference in sound?
Old 12-18-09, 01:08 AM
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Originally Posted by widebodyseven
I have Apexi duel N1s with headers and i got pulled over yesterday for expired tags but they didn't say anything about my exhaust.

But just in case do you guys think the silencer Apexi offer makes a noticeable difference in sound?
I'm sure they look less noticeable on an FD compared to an FB..

I did however purchase 2x Apexi silencers for the N1's at the Apexi garage sale years back and they do make somewhat of a difference.
Old 12-18-09, 01:16 AM
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Originally Posted by Kerebrus
I'm sure they look less noticeable on an FD compared to an FB..

I did however purchase 2x Apexi silencers for the N1's at the Apexi garage sale years back and they do make somewhat of a difference.
Its actually for a 240sx.LoL

What do you think is better silencers or resonators?
Old 12-18-09, 01:20 AM
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Originally Posted by widebodyseven
Its actually for a 240sx.LoL

What do you think is better silencers or resonators?
Either or works great, if it's built properly. I've used silencers.. resonators.. just get something good and it will do it's job.
Old 12-18-09, 01:33 AM
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Originally Posted by Kerebrus
Either or works great, if it's built properly. I've used silencers.. resonators.. just get something good and it will do it's job.
Ok
Thanks
Old 12-18-09, 02:12 AM
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Originally Posted by Kerebrus
Enforcement Guidelines

The only drivers who should be cited are those whose vehicles:

1. are not equipped with a muffler
2. clearly emit an offensive, harsh, excessive noise, or;
3. have a clearly defective exhaust system (holes, leaks, etc)

Certainly seems like #2 is way overlooked and abused by most LAPD/CHP now a days, regardless of the dB levels.
it also says that chp has no way to test the db levels..... lameeee. that's why they always pull anybody over with a somewhat modified exhaust and pop the hoods in order to find an intake or illegal engine (usually in the hondas). i got this from a cop who is in the Dragnet program.... i get pulled over enough so i just talk to them and find out what's up

he said he doesn't touch cars without loud exhausts or bov's, and datsuns
Old 12-19-09, 07:39 PM
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This is great info Thanks Mr. Hozz I just printed it out I'm a put this in my glove box so if I get stopped I'll whip it out on them LOL!!! Cause I just put my Exhaust on but my header is off cause on the way to 7 stock it cracked!!!
Old 12-19-09, 08:54 PM
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Thanks for the read John. I'm going to borrow some gear from work and measure my car.
Old 12-19-09, 09:52 PM
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thanks jon now I'm going to make my exhaust louder because it's way too quiet.
Old 12-20-09, 01:07 AM
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To all above, except Poo , you're welcome. It's always good to get a peek into the enemies playbook.

Side note, you can buy an inexpensive db meter at radio shack.
Old 12-20-09, 04:28 AM
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Mr. Hozz I would really like to say thank you for all the knowledge that you are handing down to us and to poo not a dis but you's a fool for that LOL MAKE YOUR EXHAUST LOUDER THAT IS SO DAMN FUNNY IN SO MANY WAYS!!! I'll see at the next Inland Drift event... I HOPE LOL
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