Is the Z1 Intake Power Plenum mod worth it?
Hi guys,
before putting my car away for winter I had the following stuff done to it. k&n intakes, invidia catback exhaust, invidia testpipes, UpRev tune, and my numbers were (329.6hp, 253.1 lbft) so around 385 hp is what I was told , im looking to get my 370 in the 400hp range keeping it NA, i was looking into the Z1 Intake Power Plenum mod and had some mixed reviews, can anyone chime in on this? Also if you have any other suggestions on how to get this while keeping it NA im opening to listening and learning thanks!
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