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Old Apr 4, 2011 | 01:49 AM
  #1  
bren7176's Avatar
bren7176
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From: Camden , DE
Air Filter

Well this weekend I finally did the 6637 air-filter mod , And while I was at it was time for a Oil change so with some new oil and filter . I notice the difference when driving with the air filter mod done seems the engine likes it . So tonight i go for a 200 mile drive and I notice my MPG has gone back up after it was in the crapper ...Now just to have a nice day and I will put the leveling kit that sitting here in.....


Brendan
 
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Old Apr 5, 2011 | 09:58 PM
  #2  
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snakedoc
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Joined: Jan 2009
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From: AL, Reform
i love my 6637 you can hear the turbo a lot more.
 
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Old Apr 5, 2011 | 10:05 PM
  #3  
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JOHN2001
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Joined: Dec 2010
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From: Temperance, MI
I just finished my cold air box for mine today gonna put it on tomorrow if your **** about every aspect of your truck like I am a cover looks good on the filter
 
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