Quote:
Originally Posted by Used2be
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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Ha! I never even thought about that! Lol! Gruppe M Intake makes power?! I say probably not, or if so then very little! I'm jumping on the bandwagen that the deletion of the charcoal filters from the Gruppe M Intake design is what is actually making power with that intake system. So far we have 2 independent dyno runs that have produced +15hp(Fly M5) and +11hp(M5CCibro) from the deletion of the filters alone. I agree, still aesthetically pleasing to the eye, but a real performance upgrade? Questionable.