Exhaust loudness in db
Exhaust loudness in db Theres all these posts about which exhaust is louder and all that, that is pretty much up to the person. So I thought how loud would they be Decibel wise. Does anyone have these readings on any exhaust? Also for compareison what would some other common noises be? I would think this would be a better way of decideing which exhaust is loud.
I checked mine last year, I believe it was 97 or 98db while revving, with just the gmmg catback. If the weather clears up this weekend Ill do it again because I want to know anyway so I could recheck after my longtubes, catted y, and cam 
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How are you going to test the loudness? I mean will it be with stock manifolds and cats, or longtubes with a catted Y, or longtubes with ORY, or shorties with a catted y, or shorties with ORY, or stock manifolds and ORY, or stock manifolds and SLP y, and then there's the whole engine part, cams change sound as do strokers, and blowers.
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Originally Posted by 67camaro
Isnt there a db limit for street cars? Does it vary from state to state?
Certain towns/citys have specific ordinances dealing with noise
