Originally Posted by kabob
I've looked at the stock cone filter element and it's a nice, open element and flows air well. Why bother with a drop-in filter? Seems like a waste IMO. I'd just use the money towards an AEM cold-air or a Comptech Icebox.
I did a dyno test on my R. Drop in filter gave about 1.5 hp. AEM/Icebox/Iceman all gave 3-4 hp. Figure the $/hp is in the filters favor (I only paid $30 for my K&N). I have an Icebox and would recommend it to anyone but just some info to think on.