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Old 01-29-2010, 01:49 AM   #7
carthik
2nd Gear Member
 
Join Date: Oct 2009
Location: Toronto
Posts: 84
really, its controlled by the ecu? do all e46's have this or only the second gen ones? other than quieting down the exhaust is there any other reason for it staying closed (low end torque?) I find this quite interesting.
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