03-06-2009, 02:41 AM
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#97
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Drives: E90 E70 F01
Join Date: Oct 2007
Location: calgary
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+1 so far so good
Quote:
Originally Posted by shragon
finally did this mod today. also went ahead and replaced the stock air filter with a k&n drop-in filter.
my butt dyno tells me that throttle response is improved. also feels smoother throughout the power band.
soundwise, it seems to be a little louder in the higher rpm range, but that's about it.
all in all, pretty good.
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