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      09-02-2012, 06:51 AM   #18
roastbeef
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Drives: E92 M3
Join Date: Nov 2010
Location: Orange County, CA

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has anyone done exhaust cutouts that open up at a certain rpm?

i test drove a lexus isf a few months ago and one of the different things i liked a lot was the sound of (what i think was) an additional intake plenum opens up and gives the engine a nice boasting growl over a certain rpm.
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