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      09-22-2011, 09:41 AM   #23
madmanhiker
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Drives: '11 E92 335i
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Quote:
Originally Posted by SRT14PimPin07 View Post
Hey guys, I want to put an Intake in my N55, but I cannot decide which one to go with.

I like how the AFE looks cleaner under the hood, but more people have been buying the Injen. I just want the one that puts out the most power!

Can someone just tell me which one is better.

Or if anything, just tell me which one you would buy if you were in my place.

Thank you

Mike
You are going to get more Injen votes than the aFe not due to "preference" but rather due to the fact that Injen came to market nearly 7 months sooner than the folks at aFe. That fact will cause a statistical variance, thus your poll will not accurately represent the answer you are looking for.

I can tell you that (for the n55 motor) the stock air-box is fine. Adding the aFe drop-in will help increase airflow; this has been proven by MAF and CFM analysis. I personally went with the aFe drop-in when it first came out, but I was not impressed. I did NOT dyno the difference between stock and drop-in. The aFe was in design for what seemed an eternity but they finally released it I believe in late April this year. I went with the aFe cai based on previous experiences with aFe products; they have an excellent build quality and they typically have very good results. I DID dyno my vehicle after the cai - not explicitly to test the cai, but rather I was troubleshooting heat-soaked runs on a hot day of dyno's. I can tell you that the aFe claim of HP gain falls short of the manufacturers claim, of which I brought to their attention, I can tell you that it DOES add power -about 10 rwhp. That was proven after several runs without and re-installing.

Read and more importantly - SEARCH the forums - the cai for the n55 has been posted and talked about for nearly a year now. Hopefully my post will shed some light on your current query and you can now continue on your journey to enlightenment. Good luck and God speed.
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