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      11-16-2012, 08:17 PM   #128
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Drives: BMW R80
Join Date: May 2012
Location: Cincinnati OH

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Originally Posted by Amini77 View Post
Ohh I mean the cone filter mod. What's the ram air mod? How effective is that?
Scroll back a page and you'll find the description of the mod. Dinan offers a very similar mod and claims to add 7hp. It basically increases airflow into the engine by a lot.
Airheads are far easier to maintain than a E90
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