Two Stage Exhaust Dump, Electronic switch for E92/3

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		M3Post - BMW M3 Forum > E90/E92 M3 Technical Topics > Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications
Two Stage Exhaust Dump, Electronic switch for E92/3

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12-14-2010, 10:11 PM	#1
Silver TT Private First Class 12 Rep 118 Posts Drives: Hunting for M5 Comp Pack Join Date: Jan 2007 Location: Darien, CT iTrader: (0)	Two Stage Exhaust Dump, Electronic switch for E92/3 Sorry, did a search, ignore post... Anybody running an exhaust dump switch? I haven't seen one yet but if the car sounds this good with no exhaust at all why waste $3,000 on an exhaust. Why not run a 2 stage exhaust like on the Aston Martin and some of the newer Vettes. Have the best of both worlds with OEM quiet when taking the girl out to dinner and then an uncorked beast when running hard. Could have a remote switch to open up for full dump, like a cutout system. Anyone running that? Last edited by Silver TT; 12-14-2010 at 10:15 PM.. Reason: Found info
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