[Neil]

Originally Posted by park381

Are we talking triple glazed car windows here, the 110dB noise level from manufacturers fitted stereo systems are not my figures,they are quoted from the RAC & RNID websites
I think it's you that is talking "utter bollocks" to quote your phrase. I will lend you a sound level meter, so that you can switch on your car stereo at full volume (if that is how you listen to it) then stand outside with the meter and record the noise level for yourself I think you would be surprised, or even better still sit in the car with the stereo on and see what level of dB reading you get. I will ignore the comment about smoking

I don't believe the 110dB from a standard system. I can manage 112dB and mine is nothing like standard. Get you meter out and you can test it if you like.