Did you try the tubes with stock OEM filter? Also I think the cobbs are for there ECU updates.I would keep them wait to get full bolt on's and then get the cobb access port.
I can't see tubes taking away from HP :_(
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2013 6MT IPL GrSh|V-Leds|OSRAM | SWIFT | H&R | CUSCO | HKS | 3M |
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