AFE stage 2 or stage 2 si ? - Diesel Truck Forum -
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post #1 of 2 (permalink) Old 06-21-2011, 12:30 PM Thread Starter
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AFE stage 2 or stage 2 si ?

Regular stage 2 or Stage 2 si ?

I assume that for the best filtration, which is MOST important to me that a Pro Guard 7 filter would be required.

How does a Pro Guard 7 filter perform, filtration wise, as compared to the stock paper filter ?
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post #2 of 2 (permalink) Old 06-23-2011, 05:21 AM
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A lot of people had fitment issues with the original Si intakes, but I believe that they have redesigned them. The Si is about the best flowing intake on the market at the moment, so you can't go wrong with it.

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