I have always wondered what makes Italian engines with Tubi exhausts have that high pitched "scream".
Here are a few videos I found on the net to show the comparison.
BMW M3 (E36) with Tubi (German I6 has more of a deep tone)
http://www.youtube.com/watch?v=ZfSHFmn15Eo
Lamborghini Murcielago with Tubi (Italian V12 has a much higher pitched tone)
http://www.youtube.com/watch?v=_jlbbQ0uwP8
Lamborghini Gallardo with Tubi (Italian V10)
http://www.youtube.com/watch?v=9OW-E3xEmbg
Ferrari F360 with Tubi (Italian V8)
http://www.youtube.com/watch?v=vuY9RGzoQy4
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