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Powerflow Air intake +10hp?
I just emailed him with some of your questions. If there is a money back hp guarantee in place, I'll start with the Air intake upgrade (+10hp claim) at $395. It'll be interesting to see what his reply would be since I haven't seen increase of +10hp on just the intake alone for Boxsters.
Anyone installed one of these Fabspeed (Powerflow) Air intakes?
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