S&B or K&N intake - Ford Powerstroke Diesel Forum
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Old 02-05-2013, 06:51 PM
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S&B or K&N intake

Any ever dyno'd with both of these? Any one better than the other? Pretty much everything I has K&N but I heard than the S&B is better.
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Old 02-05-2013, 07:12 PM
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Originally Posted by Donman View Post
Any ever dyno'd with both of these? Any one better than the other? Pretty much everything I has K&N but I heard than the S&B is better.
Never dynoed one on a diesel but on an 03 Cobra the S&B was way better . Don't remember exact numbers but we went from the K&N to the S&B and had to completely retune the car . It was getting so much more air with the S&B that it went dead lean . We thought it was a fluke so we put the K&N back on and lost a ton of power and wast really rich .
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Old 02-05-2013, 07:30 PM
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Might better than.. A couple buddies have them on Cummins but no one has went with k and n to see a difference. I meant to put everything I have has a k and n filter lol.
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Old 02-05-2013, 08:42 PM
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I'm not sure about with the 7.3 but everything I've read people say stay away for k&n...they say they aren't very good diesel trucks....they don't filter very good, but I could be wrong
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Old 02-05-2013, 09:35 PM
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very simple s&b
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Old 02-06-2013, 02:05 PM
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i really like my s an b intake.
s and b is supposed to be very good at filtration as well.
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Old 02-06-2013, 02:06 PM
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Originally Posted by Koda22 View Post
I'm not sure about with the 7.3 but everything I've read people say stay away for k&n...they say they aren't very good diesel trucks....they don't filter very good, but I could be wrong

Your not wrong...

K&N does NOT go with turboed vehicles... Unless you want to be replacing a turbo
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Old 02-06-2013, 02:08 PM
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Installing a k&n is a sure shot way to dust your turbo quick
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Old 02-06-2013, 02:11 PM
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Just ordered the S&B pretty everyone says the same thing. So what makes the S&B better than K&N they look somewhat similar except the S&B has a tube that looks somewhat like ram air.
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Old 02-06-2013, 03:34 PM
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K&N does not filter as well. They may be applicable for the track, but for the daily driver (even in the best case scenario), they do not filter enough. It took me all of 5k miles to hit the brakes on the K&N and (while still utilizing the kit) switching to the 6637.
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