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Old 12-04-2012, 01:28 PM   #8
Boxer Metal
Mad Scientist
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Joined: Nov 2003
Location: Chico, California
Oddometer: 3,521
1. The stock post 1980 air box is better for power than the old round one.
2. The K&N filter for said post 1980 airbox does not fit well at all. They fit so poorly they allow unfiltered are past it.
3. If your building a cafe racer or fun weekend hot rod have fun with it. You will feel no power loss or gain running individual filters. You will have more intake noise which I personally like.
BMW Biker Scum
BMW Mad Scientist!
VBMWMO #7770, BMW MOA #48694 & Airhead BMW Club #600
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