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Discussion Starter · #1 ·
Looking for a drop-in filter from somebody that has upgraded to a cold air intake or went back to stock. Prefer the Cobb or Mountune filter, but open to others.
 

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Looking for a drop-in filter from somebody that has upgraded to a cold air intake or went back to stock. Prefer the Cobb or Mountune filter, but open to others.
Bryan, I've got an ITG/FSWerks from my SES that I replaced with mountune's K&N piece. Caveat: 50000 miles of use. PM me if you need it.
 

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Thanks, I will keep that in mind in case one doesn't pop up. I noticed the ITG in the Focus ST application doesn't produce any additional intake/turbo bypass valve compared to stock. I don't know if that is the case for the Fiesta version or not. Is the 2011-2013 filters the same as the 2014+ ST? I had a K&N from my 2011 that sat around for awhile before I sold it after going with the Boesch Built. I probably should have kept it.
 

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Thanks, I will keep that in mind in case one doesn't pop up. I noticed the ITG in the Focus ST application doesn't produce any additional intake/turbo bypass valve compared to stock. I don't know if that is the case for the Fiesta version or not. Is the 2011-2013 filters the same as the 2014+ ST? I had a K&N from my 2011 that sat around for awhile before I sold it after going with the Boesch Built. I probably should have kept it.
The filters all fit the same, the two variables being thickness and composition.
 

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Discussion Starter · #5 ·
I thought they were the same, but wasn't totally sure. How often did you clean the filter and do you have the ITG cleaning kit?
 

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I thought they were the same, but wasn't totally sure. How often did you clean the filter and do you have the ITG cleaning kit?
I probably had the ITG in the SES for 50000+ miles. Cleaned it by removing it and shop-vacuuming it from the top. I swapped it out for the K&N filter that came with my ST's mountune air box (installed mountune's "green" filter instead). I never drove the car in the rain or winter for three years and don't live in a particularly dusty area. To vixenlotus' point, if I still lived out west, I would definitely run the stock filters and change them every 4-6 months or sooner (e.g., one sand storm in Lubbock Texas was worth about five pounds of sand inside my 69 Camaro's air filter and no paint left on the lower front valence panel).
 

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Discussion Starter · #10 ·
I live in a fairly low-dust enviroment compared to other parts of the country. I have used a K&N in all of my cars since 2000 without issues. As for keeping the car a long time, I don't know how long constitutes a long time. I typically keep my cars for 3-5 years, except for my Mustang which I have had for 20 years.

CarefreeAZ, I will pass on the ITG due to mileage. The cost of the cleaner kits is about half the price of a new Green filter, so I would just go with a new Green filter at that time.
 

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I said long time but i should have said Miles, i keep my cars up to 200K.
You would not really see issues in the long run just the effect of more wear and tear on the motor.
You probably would not even notice it, a bit down on HP, a bit of a loss of compression, more wear in the combustion chamber due to being blasted with more dirt. So you probably did not notice.
 
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