Rennlist - Porsche Discussion Forums - New 2019 sound law in California

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- - New 2019 sound law in California (https://rennlist.com/forums/west-us-rennlist-region/1122570-new-2019-sound-law-in-california.html)

FourT6and2

02-05-2019 03:09 AM

Quote:

Originally Posted by WantA997 (Post 15616804)

Definitely not. My RS w/ BBi bypass is 96dB at idle.

Yeah so your car would fail the test. Mine has BBi too. So yeah, don't know what the SPL is stock but with the center bypass it's pretty loud.

BTW, the test isn't at idle. The test is with the car holding a certain RPM.

WantA997

02-05-2019 03:13 AM

Quote:

Originally Posted by FourT6and2 (Post 15616817)

BTW, the test isn't at idle. The test is with the car holding a certain RPM.

You're right. My mistake. I'm 99% certain my car was 96dB at 2,500 RPM (or thereabouts).

SeymourButts

02-05-2019 03:37 AM

The exhaust is sound-tested at 3000 RPM for cars produced before 1972 and at 3/4 maximum RPM for cars after that.

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