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  #1  
Old 12-21-2016, 09:40 PM
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dontlifttoshift dontlifttoshift is offline
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Default 90db?

Is this a typo?

Quote:
14. Exhaust must exit outside of the body, behind driver and be securely installed. Mufflers are
required with no open exhaust or open headers allowed (90db max).
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Old 12-22-2016, 12:55 AM
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Maybe they're trying to create shorter lines I don't know db levels but I would think any modified car worth a **** makes a bit of noise, especially bouncing off the rev limiter.
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Old 12-22-2016, 06:58 AM
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My guess is this will be enforced at certain venues, I know they have neighbor problems in Del Mar. If it's enforced at all events they might as well hang a going out of business sign up at the auto-x as I'll bet most new v-8 musclecars would have a hard time making 90db.
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Old 12-22-2016, 08:41 AM
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Yeah, any late model muscle car with just an axle back exhaust will blow 90 at WFO.
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Old 12-22-2016, 12:32 PM
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at idle or WOT ?

no way any PT car is going to be 90Db or lower at any high RPM, maybe at idle many will be lower
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Old 12-22-2016, 01:38 PM
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Guys,
90db max/Idle at Del Mar
This is the only event that we are seeing issues at this time.
We will update the rules so it reads like this.
Thanks Ed
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Old 12-22-2016, 02:57 PM
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Thanks Ed!
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