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ins0mnia24 · 07-29-2007, 10:42 PM

Actually the state law in New jersey is 95 decibel's

I just got done going through all of this fighting with the state inspections a few weeks ago because Nobody would pass my car..
In the end they lost because whether you people know it or not a Cop or an Inspection station can't fail you or write you a ticket unless they can prove that you are over the 95. decibel's.
which Cop's and my inspection station don't even have a decibel meter..

TITLE 39. MOTOR VEHICLES AND TRAFFIC REGULATION
SUBTITLE 1. MOTOR VEHICLES GENERALLY; TRAFFIC LAWS
CHAPTER 3. MOTOR VEHICLES GENERALLY
ARTICLE 3. EQUIPMENT REQUIREMENTS AND REGULATION

GO TO CODE ARCHIVE DIRECTORY FOR THIS JURISDICTION
N.J. Stat. @ 39:3-70 (2002)
@ 39:3-70. [Mufflers]
Every motor vehicle having a combustion motor shall at all times be equipped
with a [muffler] in good working order and in constant operation to prevent
[excessive or unusual noise and] annoying smoke, AND NO PERSON SHALL MODIFY THE EXHAUST SYSTEM OF A MOTOR VEHICLE IN A MANNER SO THAT THE EXHAUST SYSTEM EMITS IN EXCESS OF NINETY-FIVE DECIBELS AS MEASURED BY THE SOCIETY OF AUTOMOTIVE ENGINEERS (SAE) STANDARD J1169 (May 1998). IT SHALL NOT BE A VIOLATION OF THIS SUBSECTION UNLESS PROVEN BY PROPER AUTHORITIES THAT THE EXHAUST SYTEM MODIFICATION RESULTS IN NOISE AMPLIFICATION IN EXCESS OF NINETY-FIVE DECIBELS UNDER THE PRESCRIBED SAE TEST STANDARD.
A COURT MAY DISMISS ANY ACTION FOR WHICH A PERSON IS PROSECUTED FOR OPERATING A VEHICLE IN VIOLATION OF THIS SUBSECTION IF IT IS FOUND THAT THE DEFENDANT HAD REASONABLE GROUNDS TO BELIEVE THAT THE VEHICLE WAS NOT OPERATED IN VIOLATION OF THIS SUBSECTION.
[and] No person shall use a [muffler] cut-out, bypass or similar device upon a motor vehicle on a highway.

Noise limits for modified exhaust systems are established by a SEMA model bill (attached) and applicable to an easy to administer test standard. The SEMA model provides for the testing of vehicle exhaust noise to a standard adopted by the Society of Automotive Engineers (SAE) with an established noise limit of 95-decibels (SAE J1169). Under the SAE standard, a sound meter is placed 20 inches from the exhaust outlet at a 45-degree angle and the engine is revved to three quarters of maximum rated horsepower. The highest decibel reading is then recorded.

I printed this along with the other N.J. Legislative info and took it the the Inspection station
Then since they didnt have a d.b. meter they had to pass my car..

07-29-2007, 10:42 PM	#14
ins0mnia24 Join Date: Aug 2005 Location: Millville & Little ferry New Jersey Posts: 454 iTrader: (2)	Actually the state law in New jersey is 95 decibel's I just got done going through all of this fighting with the state inspections a few weeks ago because Nobody would pass my car.. In the end they lost because whether you people know it or not a Cop or an Inspection station can't fail you or write you a ticket unless they can prove that you are over the 95. decibel's. which Cop's and my inspection station don't even have a decibel meter.. TITLE 39. MOTOR VEHICLES AND TRAFFIC REGULATION SUBTITLE 1. MOTOR VEHICLES GENERALLY; TRAFFIC LAWS CHAPTER 3. MOTOR VEHICLES GENERALLY ARTICLE 3. EQUIPMENT REQUIREMENTS AND REGULATION GO TO CODE ARCHIVE DIRECTORY FOR THIS JURISDICTION N.J. Stat. @ 39:3-70 (2002) @ 39:3-70. [Mufflers] Every motor vehicle having a combustion motor shall at all times be equipped with a [muffler] in good working order and in constant operation to prevent [excessive or unusual noise and] annoying smoke, AND NO PERSON SHALL MODIFY THE EXHAUST SYSTEM OF A MOTOR VEHICLE IN A MANNER SO THAT THE EXHAUST SYSTEM EMITS IN EXCESS OF NINETY-FIVE DECIBELS AS MEASURED BY THE SOCIETY OF AUTOMOTIVE ENGINEERS (SAE) STANDARD J1169 (May 1998). IT SHALL NOT BE A VIOLATION OF THIS SUBSECTION UNLESS PROVEN BY PROPER AUTHORITIES THAT THE EXHAUST SYTEM MODIFICATION RESULTS IN NOISE AMPLIFICATION IN EXCESS OF NINETY-FIVE DECIBELS UNDER THE PRESCRIBED SAE TEST STANDARD. A COURT MAY DISMISS ANY ACTION FOR WHICH A PERSON IS PROSECUTED FOR OPERATING A VEHICLE IN VIOLATION OF THIS SUBSECTION IF IT IS FOUND THAT THE DEFENDANT HAD REASONABLE GROUNDS TO BELIEVE THAT THE VEHICLE WAS NOT OPERATED IN VIOLATION OF THIS SUBSECTION. [and] No person shall use a [muffler] cut-out, bypass or similar device upon a motor vehicle on a highway. Noise limits for modified exhaust systems are established by a SEMA model bill (attached) and applicable to an easy to administer test standard. The SEMA model provides for the testing of vehicle exhaust noise to a standard adopted by the Society of Automotive Engineers (SAE) with an established noise limit of 95-decibels (SAE J1169). Under the SAE standard, a sound meter is placed 20 inches from the exhaust outlet at a 45-degree angle and the engine is revved to three quarters of maximum rated horsepower. The highest decibel reading is then recorded. I printed this along with the other N.J. Legislative info and took it the the Inspection station Then since they didnt have a d.b. meter they had to pass my car.. __________________ 2002 Z/28 = Firemutt Racing 370 w/ Cam, Trick Flow heads, TPIS 90mm Intake & 90mm T.B., Vigilante 3600 t.c., Michael's Transmissions Built 4L60E. QTP Headers, Mufflex Stainless Y-pipe, Pypes Performance Exhaust, Moser 12-bolt w/ 33 spline axles,Truetrac & 3:73's., Spohn. Cartek Tuned...