I disagree. On the BOBISTHEOILGUY web site, there are numerous posts by people who report worse filtration. They show elevated Si levels of their UOAs to back it up.

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95 E320 Cabriolet, 159K

Further, I have seen actual dyno test sheets that show that an a Mercedes engine, a K & N actually resulted in lower hp.

There was actually a technical discussion in a past edition of The Star Magazine about why Mercedes actually recommends against platinum plugs in M103 and M104 engines.

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Paul S.

2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.

1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".

Not that I don't believe you, but can you come up with some proof to post here? I would like to see it...

More air is helpful on some engines, less on others.

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2002 Mercedes-Benz E320 4Matic
1995 Mercedes-Benz E320 Wagon
2005 Land Rover LR3 V8 SE
1999 Audi A8 4.2L quattro

The test sheets I have seen were either here or on 500ecstasy.com, and were on 500E's.

I've seen these results on more than one car.

You are free to search, but I've seen them.

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Paul S.

2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.

1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".

Aside from all the other stuff, does a straight pipe with a K&N on the end atleast sound good?

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1992 190E 2.3
150,000 Miles