BMW, VW etc. adding sound generators to their cars strikes me as basically cheating.  This isn&#x27;t the sound pipes, which divert engine noise into the cabin bypassing the firewall sound-dampening, but the artificial sounds injected into the car stereo speakers that try and make your turbocharged V-8 sound like a V-10.<p><a href="http:&#x2F;&#x2F;www.popularmechanics.com&#x2F;cars&#x2F;a7923&#x2F;the-rise-of-the-fake-engine-roar-11291754&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.popularmechanics.com&#x2F;cars&#x2F;a7923&#x2F;the-rise-of-the-f...</a>