Quote:
Originally Posted by Remonster
The turbocharger itself acts as a muffler, when you have an N/A motor the intake piping is very short. Basically you have an air filter, a short intake tube, and an intake manifold. In order for a turbocharged and intercooled engine to work properly, you have to send the air through a filter, through some piping into the cold(er) side of the turbo, through more piping into the intercooler(s), and then through even more piping into the manifold. All of this piping is generally plastic and the longer it is, the less sound you will hear and this is in addition to the turbocharger and intercooler which both act to reduce the amount of sound you can hear simply because the turbo is made of pretty thick metal and the air going through it is being accelerated at tens of thousands of RPMs so it's generating its own whoosing sounds.
You can make a turbocharged motor's exhaust system sound pretty great (see: AMG) but you'll never end up with much of an intake growl in a production car that needs to meet so many regulations.
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Thanks for the explanation. Now that I think about it that makes since. All of that twisting and turning would dramatically slow down the air. There has to be some way to simplify that process though.