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SL55/63/65/R230 AMG: I love the SL55 but just want a bit more...

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Old 06-22-2016, 03:15 PM
  #26  
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'06 E500, '99 ML430 and '07 SL65
IMO, K&N filters are vastly overrated in the area of improved engine performance. While I agree that more air give you more bang, replacing your stock filters with K&N, gives you nothing. Again IMO. You would be better off spending the money to get a good wash and shine to make the car move through the air with less resistance (or lower Cw).

Take a look at this article: http://www.nicoclub.com/archives/kn-vs-oem-filter.html
Last edited by sgaar; 06-22-2016 at 03:19 PM.
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Old 06-22-2016, 03:44 PM
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OK, you guys win. I'll go out right now, remove my K&N filters and throw them away.
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Old 06-22-2016, 04:28 PM
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2003 E55, 2003 SL55, 2014 CLS63, 2018 q50 Redsport, 1968 Camaro SS, 1999 Trans am Firehawk
Originally Posted by Noir230
No I haven't, but since you are the one making the assertions, what research have you done, or what studies can you cite, to show that dirt is getting into the engines? Have you had K&N filters and have you had a bad experience with them?
It requires an iso 5011 test with an $280k machine to properly test filters, which is not something I have. What I do have is test results from such a machine. The results are not good for the K&N

http://www.nicoclub.com/archives/kn-vs-oem-filter.html
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Old 06-22-2016, 04:30 PM
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Originally Posted by Noir230
OK, you guys win. I'll go out right now, remove my K&N filters and throw them away.
Good! Now I'm happy...about time....! LOL
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Old 06-23-2016, 04:19 PM
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Put a wide body kit on, you will never want another car..believe me.
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