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Old 07-27-2001, 08:50 PM   #1
ChrisW
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Member#: 4181
Join Date: Feb 2001
Location: keeping santa cruz weird
Vehicle:
2003 Lancer Evo 8
It's Blue, ok?

Default new exhaust and muffler law passed

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Old 07-27-2001, 09:01 PM   #2
joltdudeuc
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Member#: 6119
Join Date: Apr 2001
Chapter/Region: BAIC
Location: Union City, CA
Vehicle:
1999 GM6
RBP

Cool

Basically, this law says that any car under 6,000 pounds can have an exhuast system so long that it isn't over 95 dbA's... Cool, that means we just scored another 15 dbA's from the last law...

and it now specifically states that non-stock exhaust systems are included under this law...

I'm happy....

-Gagan, Team B-Spec, B-SpecUSA
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Old 07-27-2001, 09:06 PM   #3
joltdudeuc
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Member#: 6119
Join Date: Apr 2001
Chapter/Region: BAIC
Location: Union City, CA
Vehicle:
1999 GM6
RBP

Talking

Damn dude, FPD just isn't going pass up the chance to pull you over, huh?

jeez...


-Gagan, Team B-Spec, B-SpecUSA
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Old 07-27-2001, 09:06 PM   #4
ChrisW
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Join Date: Feb 2001
Location: keeping santa cruz weird
Vehicle:
2003 Lancer Evo 8
It's Blue, ok?

Default

brucelee,

With as "loud" (in a graphical kinda way) you should keep a print out of that new law in your car!!
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Old 07-27-2001, 10:48 PM   #5
ShaneW
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Member#: 226
Join Date: Sep 1999
Location: Fremont, CA
Vehicle:
1999 Impreza 2.5RS
Rally Blue Pearl

Default

I just moved to Fremont and wow, there are a lot of cops out. It would really suck to be a teenager in this town. Now that I'm a propatry tax payer, maybe it's a little different.

I see that "operation send all FPD to bust brucelee, so that they leave the rest of us alone"
is working.

ShaneW
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Old 07-27-2001, 11:00 PM   #6
Andrew
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Location: San Jose, CA
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2005 STi
White

Default

95dbA from how many inches/feet away at WOT/#?RPM
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Old 07-28-2001, 01:42 AM   #7
ChrisW
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2003 Lancer Evo 8
It's Blue, ok?

Default

Andrew,

Quote:
Existing law requires the Commissioner of the California
Highway Patrol to conduct a study and to adopt regulations setting standards for the certification of exhaust systems, which regulations would become effective one year after they are filed with the Legislature.
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Old 07-29-2001, 01:38 AM   #8
SuicidalLabRat
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noun [ ve·hi·cle ]
a carrier,as of infection

Default

This doesn't really change much, CHP was never qualified nor tasked with the enforcement of db violations outside of "best judgment" which is REALLY weak in a judicial proceeding ( though a pain in the ass for us ). I have included a few snibbits on testing procedure, again, note that the CHP was never authorized to use ANY test method to enforce noise level laws, they were instead, directed to enforce via illegal equipment infractions, this is still the case, so, I am confident they will continue to use their own relative impressions/prejudice and ~judgment to determent the legitimacy of taking you in violation, and of course using those same weak grounds to conduct probable cause impromptu searches under your hood...



Q7 What are the noise levels specified in Sections 27201-27206 VC? Can these be used to cite loud vehicles?

No. Section 27200 VC prohibits the sale of new motor vehicles that exceed the noise limits specified in these Sections. The specified noise limits (80 dB(A) (decibels) for all new cars, pickup trucks, vans and motorcycles apply only to new motor vehicles, under full throttle acceleration tests, measured 50 feet from the test vehicle, as specified in Sections 1040-1044, 1046 and 1047, Title 13, California Code of Regulations (13 CCR). These noise levels and the specified test methods apply to manufacturers and new car dealers only, for new vehicle certification purposes, and may not be used for enforcement purposes against vehicles being operated on public roadways. The CHP is not aware of any significant violation of Section 27200 VC by vehicle manufacturers or dealers.



Q8 What are the noise levels specified in Sections 23130 and 23130.5 VC and how can they be enforced?

Sections 23130 and 23130.5 VC specify noise standards for vehicles operating on the highway (in-use vehicles), and are intended for use in actual traffic conditions. The limits of Section 23130 apply under all conditions of grade, load, acceleration and deceleration. The lower limits of Section 23130.5 apply only to relatively level roadways and under conditions of relatively constant speed. They specifically do not apply to areas of congested traffic that require noticeable acceleration or deceleration, or within 200 feet of an official traffic control device or change in grade. Although these sections were intended for use in actual traffic conditions, the complexities of noise testing require the testing be conducted in a relatively large open area free of other vehicles and large sound-reflecting objects. This makes in-use vehicle noise testing in most developed areas impractical, where noise complaints are most likely to occur. The CHP does not currently provide either the instrumentation or training necessary to conduct vehicle noise testing. Enforcement using Section 27150 or 27151 VC is usually more appropriate and effective.

Q9 What is the exhaust noise test specified in 13 CCR? Can this be used for enforcement?

Sections 1030-1036, 13 CCR, were intended to be used by Licensed Muffler Certification Stations as a means of deten-nining if an exhaust system met the requirements of the Muffler Certification Program (when those programs were operational). They specify testing procedures for motor vehicle exhaust noise alone (as opposed to total vehicle noise). This procedure specifies a limit of 95 dB(A) measured 20 inches from the exhaust pipe outlet with the engine operating in neutral, typically at a speed of 3000-5000 rpm. (For comparison, a modem rotary lawn mower with a 5-horsepower Briggs & Stratton engine typically emits approximately 93 dB(A) at the same distance at full speed under no load.) It applies only to passenger vehicles. It does not apply to motorcycles or to vehicles over 6000 pounds gross weight.


Q10 Can this test be used in enforcement?

Not readily. Although much simpler than the test methods specified in Sections 23130 and 23130.5 VC, this test method still requires some technical expertise and a means to determine both the speed (rpm) of the engine under test (tachometer) and the rpm at which maximum horsepower of the engine is developed (information which may not always be readily available), as well as a sound level meter. It is not intended for roadside noise testing. The CHP does not currently provide either the instrumentation or training necessary to conduct exhaust noise testing. This test is useful, however, for determining if an aftermarket or performance exhaust system complies with VC requirements. It should be noted that the 95 dB(A) level, because it is intended as a simple "go-no-go" type of test, may permit exhaust noise somewhat higher dm those permitted under Sections 27201-27206 VC. An exhaust system that complies with the requirements of Section 1036(d)(1), 13 CCR, is deemed to comply with Sections 27150 and 27151VC.
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