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Old 10-20-2012, 07:23 PM   #1
rbpexman
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Air Intake Modification

I'm new here and I'm sure this topic has been beaten to death...but I need info. I'm looking to improve air flow because I can feel this 2012 Focus SE hatchback choking. I really can't believe the stock air feed to the air box is so small. At any rate...I know that one generally gets what one pays for...and that's why I am not averse to buying a name brand CAI kit if that's the best option...but from what I see under the hood it doesn't seen that a typical kit can really get a lot of fresh air.

I am thinking about a Spectre component kit. I want to fashion an inlet and force feed a filter going into the intake. Know what I mean? I had really good results with an Airaid Jr. on my old F-150 and when the air was forced in...damn...it really moved.

HELP!!! I need ideas...drawings...part numbers...anything that will help me do what I'm looking to do. If anyone things what I have in mind can be bettered...please let me know. Thanks Focus Fanatics!


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Old 10-20-2012, 07:58 PM   #2
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Snorkle delete and a K&N drop-in filter would be a much better option for you. Check out the Mk3 section; there's plenty of info in there.
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Old 10-20-2012, 08:28 PM   #3
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Posted via FF MobileHonestly I just took the cover of my air box fixed the problem and the filter stays in place I have a 2012 focus I have had it that way for 8months now going to put it back on for the winter tho so the filter don't get wet but it works great also go 15 more miles out of my tanks of gas to
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Old 10-20-2012, 08:59 PM   #4
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http://www.focusfanatics.com/forum/showthread.php?t=297795

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Old 10-21-2012, 12:43 PM   #5
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I'm not quite so comfortable pulling the snorkle out. The way the set up appears to me is that it is pulling in air from across the entire top front of the grill area given the arrangement of the hole pattern...and removing the lashes could well be detrimental to radiator cooling. I kind of like the arrangement the more I look at it. I have taken out the resonator however...and I'm thinking I'm going to attempt to run some flex hose from the bottom of the air box down to the lower portion of the grill for some additional air access. Thoughts?
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Old 10-21-2012, 03:23 PM   #6
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That's called the Newmission mod here, and it produces the same power as the snorkel-delete. If your car is a city commuter, it will get lower mph than the snorkel delete, bit if it is a highway commuter then you may see mpg gains.

Search the 2012 section for Griffin mod, I believe.
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Old 10-21-2012, 06:41 PM   #7
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I didn't do the actual Newmission mod...I didn't enlarge the port on the bottom of the air box. I simply used a 2" flex hose...I routed it from the box down to the lower portion of the grill area. I realize that's a small diameter but I don't want to modify the box just yet...I've only got 9700 miles on the car and don't want to overdo things yet. I can already tell that the typical acceleration lag on this vehicle is pretty much gone. It truly runs smoother on the highway. I plan to figure a way to flush mount the hose in some manner.

Any thoughts on this?
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