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Exhaust DB measuring

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How are the rangers in ca measuring DB. The last time I saw it done they held the meter at the end of the exhaust tip about 3 feet away, perpendicular to the exhaust flow. This was at hollister ca. Anybody Know?

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I don't ride the state parks but I have friends that do, from what they tell me the test meter is held about 2 feet behind the silencer at a 45 degree angle and tests are done at half throttle. I have also heard of bikes being tested by national park rangers, although that,s where I ride and I've never seen it??. :cry:

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Thanks Sonora We have got a meter at work, thought I would try at home before and avoid the hassle. Mike in Modesto :cry:

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