between 1 and 2. 1 is a cheaper filter, and 2 comes with a k&n conical type and also claims to replace "ALL" rubber sections. I'd assume that means from the TB to the MAF as well.
as far as the ebay ones you're getting what you pay for, they're just the most basic WAI ideas. It's a filter with an adapter or 2, there's no specials bends needed like a CAI.
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