QUOTE(gurrenlagann @ Dec 1 2017, 09:28 PM)
how come i don't feel it is quieter
mine is G spec, and my sis in law is E spec, i feel no different
Main Acoustic windshield glass is about +2 inch extra thickness..Get volume meter to measure the decibel level.
http://www.dangerousdecibels.org/virtualex...uringsound.html
https://m.wikihow.com/Measure-Decibels
Hard to determine, as few factors.
1. Driving Constant speed at 80/h .. 2'. make sure wind blowing direction speed is marginal, same road condition and others..
Let us know the results..
This post has been edited by netmask8: Dec 1 2017, 10:33 PM
Dec 1 2017, 10:21 PM

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