Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum - View Single Post - HELP.... Which CAI is better for my focus 12 INJEN or K&N??
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Old 07-30-2013, 05:08 PM   #40
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Originally Posted by MG_MK3 View Post
The AEM doesn't see dyno gains because the car isn't moving. True cold air systems usually have the best gains, but not on dynos. Most of the faster, higher hp cars use the true cai system vs the short ram like kn or steeda.

EDIT: Its also a hp gain of 4 at 5200 rpms, not as a whole.
I couldnt disagree more. I would personally rather have short ram and direct cool air to it compared to having a longer pipe connected to draw in the air from a fender or something. Problem is, it is the same old cai vs sr debate so potayto patahto.
2013 SE Hatch - 5 spd, Spectre filter, no lid, Unleashed E85 tune
1976 GMC C15 Sierra Classic - 454, AC, 2WD, LWB, 1.75" headers, .501/.510 232 cam
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