FORD AIS VS. DIY - Ford Powerstroke Diesel Forum
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  #1  
Old 09-15-2009, 03:22 PM
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Question FORD AIS VS. DIY

Ok guys had the diy but it gets dirty too quick and i dont like worrying if it is sealed correctly or not or about water....

The AIS for $190.00 is it worth it is the performance gains the same as the diy?

I was getting 18mpg with the diy I went back to stock now i get 16.5mpg....


Which one is cleaner?
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  #2  
Old 09-15-2009, 06:45 PM
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Probably the AIS is better filtration...
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Old 09-15-2009, 06:50 PM
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I've had both and like the AIS. More filtering media and its a hell of a lot quieter.
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Old 09-15-2009, 07:37 PM
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yea 40 bucks a filter and dirty after 7000 miles... and i saw a little dust in the intake boot... not extremely happy with the diy but dont want to spend money on something that will let particles in. 2005f250 was the performance and mpg the same with the diy and ais
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Old 09-15-2009, 07:39 PM
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Quote:
Originally Posted by derrickmcphate View Post
yea 40 bucks a filter and dirty after 7000 miles... and i saw a little dust in the intake boot... not extremely happy with the diy but dont want to spend money on something that will let particles in. 2005f250 was the performance and mpg the same with the diy and ais
I didn't see a difference.
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Old 09-15-2009, 07:43 PM
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buy a cover for the diy, they last forever with one of these, oly like 20-30 bucks too

FilterCovers
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Old 09-16-2009, 12:45 PM
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My Silicon levels are always under 5 on my UOA!! The AIS is the best filtering element you can buy and it flows plenty of air for the 7.3. Unless you are going well over 400 ponies the AIS will flow plenty of clean air. And yes it is very quite, and look stock under the hood.

NCH
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Old 09-16-2009, 05:40 PM
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ordered the ais earlier today thanks for all the help
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Old 09-17-2009, 01:54 AM
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Great filter system you won't regret it untill you have to buy a $70 filter but it will last 15000 miles or more. Had my truck a year fixing to buy the first one.
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Old 09-17-2009, 09:06 AM
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The Donaldson filter used in the Tymar kit isn't affected by water..splashing and will hold way over 1lb of dust and still flow pleanty of air...so kept your DYI and just use the correct filter.
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