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08-12-2013, 07:41 AM

DHamSTER

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I have the Riffraff 6637 intake which pulls 440cfm.
What do you guys think of the Riffraff "Big Booost" @ 880?

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08-12-2013, 09:02 AM

snknby123

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If your truck is stock the 6637 is plenty. The only regret I have with the 6637 setup is i wish I would have known about the optional filter made for High Humidity areas. It's about $60 more.... Md#B085046

http://www.donaldson.com/en/catalogs/engine/033621.pdf

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