i just got on mazda website and saw a couple of new items. one of which was the mazdaspeed cai. anyone know anything about it and if its even worth it. on my page it shows three different intakes one with a higher pice is there a difference? also a mazdaspeed 6 Axle Back muffler system. im really intersted on this never even heard of it around or seen it no pic available it says. is it like a exhaust (i know noob) and what are the gains for both that and cai. thanks for ur help.
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