K&N to DIY 6637 - Ford Powerstroke Diesel Forum
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  #1  
Old 12-09-2011, 10:26 AM
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K&N to DIY 6637

I am switching my intake over to a better filtering system, i live on a dirt road so the K&N isnt a good choice for me. i should be getting my filter in the mail today and im wondering how much loss of power im gonna see by switching to the 6637?
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Old 12-09-2011, 10:29 AM
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Quote:
Originally Posted by Red '97 View Post
I am switching my intake over to a better filtering system, i live on a dirt road so the K&N isnt a good choice for me. i should be getting my filter in the mail today and im wondering how much loss of power im gonna see by switching to the 6637?
NONE, the 6637 has far more surface area to filter which leads to less restriction. I noticed very slightly lower egt temps and better response when I switched. Power difference was not noticeable under 20lbs boost, but above it seemed to black smoke less when i had it cranked up which means more air Is going into the engine
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Old 12-09-2011, 01:52 PM
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hmmm so this thing will add more power than my K&N??
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Old 12-09-2011, 02:06 PM
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It will filter better, is it a drop in or full intake?
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Old 12-09-2011, 09:16 PM
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my K&N is a full intake system
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Old 12-09-2011, 09:20 PM
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Throw away that K&N and never look back.
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Old 12-09-2011, 09:40 PM
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It won't ADD power. Intakes just allow the engine to breath better. This one does that and filters better.
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Old 12-10-2011, 12:20 AM
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6637 all the way. I air compressed out my engine bay and my stock box that had a k and n. Plumes of dirt rolled out. Even after blowing out the k and n it was filthy. 6637 all the way.
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Old 12-10-2011, 06:27 AM
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alright ya i dont think the k&n will have done too much damage in just 20,000 miles, the fins on the turbo still looked fine but im glad im getting this system. kids are already giving me crap about it at school though haha
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  #10  
Old 12-10-2011, 07:14 AM
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I myself wouldnt worry about 'kids'
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