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      02-15-2013, 04:28 PM   #4
Used2be
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Drives: F90 M5 DG/Aragon
Join Date: Oct 2012
Location: Michigan, USA

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Quote:
Originally Posted by M54ccibo View Post
Updated my charcoal delete thread, but thought this info would be beneficial under the general forum.

Obviously, this is just a report back on my results, but when added to the butt dyno and perceived gains, I can say that the car has picked up some power. Oh, and I am not looking to start a dyno war here...just wanted to post some "empirical" data
You were polite enough not to mention it, but since the idea of a $3,500 carbon fiber cover for a K&N filter sold as a 'performance upgrade' still bothers me, I will mention it. I'll again throw out the idea that any increase in HP from the Gruppe M intake is due entirely to the deletion of the charcoal filter in the stock system. Still a great looking addition to the engine compartment, and if it were sold for its looks alone I'd have no problem with it.
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