A6 / S6 (C6 Platform) Discussion Discussion forum for the C6 Audi A6 produced from 2004-present and Audi S6 produced from 2007 - 2011

K&N for S6

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Old Aug 19, 2009 | 02:32 PM
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Default K&N for S6

K&N's website says that there is no air filter available for the S6, but the 3.2 and the 4.2 use the same K&N filter. The OEM air filter part numbers for 3.2, 4.2 and the 5.2 are all the same (4F0133843) so shouldn't the K&N for the A6's work in the S6? You just need 2. What does anyone else think?
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Old Aug 19, 2009 | 03:09 PM
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Go with MSDS. No K&N solution that I am aware of.

Originally Posted by dporschey
K&N's website says that there is no air filter available for the S6, but the 3.2 and the 4.2 use the same K&N filter. The OEM air filter part numbers for 3.2, 4.2 and the 5.2 are all the same (4F0133843) so shouldn't the K&N for the A6's work in the S6? You just need 2. What does anyone else think?
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Old Aug 20, 2009 | 02:00 PM
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Wow no one else is interested in this. 3.2, 4.2 and 5.2 air filters all have the same part numbers, so the K&N's should be interchangable as well
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Old Aug 20, 2009 | 02:49 PM
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Do you have a picture of the K&N one? Measurement specs? Frankly with them in the stock airbox, it's not going to do Jack for performance, but for same cost as stock, go with K&N if they fit.
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Old Aug 20, 2009 | 02:53 PM
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http://www.knfilters.com/search/prod...px?Prod=E-0778
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Old Aug 20, 2009 | 03:15 PM
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Not Certain, but It seems to me that those might be a tad tall. I remember the stockers being slightly shorter. Why not measure you stockers and report?
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Old Aug 21, 2009 | 06:30 AM
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You also have option of BMC Filters, it direct replacement.
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Old Aug 21, 2009 | 08:13 AM
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No, because a good solution already exists that works and fits.

Originally Posted by dporschey
Wow no one else is interested in this. 3.2, 4.2 and 5.2 air filters all have the same part numbers, so the K&N's should be interchangable as well
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Old Aug 24, 2009 | 05:06 PM
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The air boxes are very tightly packaged, and it took MSDS several tries to max out the size and still fit correctly. These units make a big difference, especially after you junk the stock garden hose exhaust...Indeed, my first Cat-Back La Bree w/ H - Pipe was dual 2.5" which Brent thought plenty adequate (loses the resonators, uses Sebring SS mufflers,) until I destroyed the whole system by running at Laguna Seca.....now I have dual 3" tubes w/ an X-pipe....oh, the music, and the MSDS really uncorked the whole set up so roll-on say from 75-120 is amazing, and to prove it really does remove the back pressure it soften the hit of idle, which is just fine w/ my wife...

JM
LA, CA
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Old Aug 28, 2009 | 06:27 PM
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Originally Posted by dporschey
K&N's website says that there is no air filter available for the S6, but the 3.2 and the 4.2 use the same K&N filter. The OEM air filter part numbers for 3.2, 4.2 and the 5.2 are all the same (4F0133843) so shouldn't the K&N for the A6's work in the S6? You just need 2. What does anyone else think?
No the 5.2 V10 uses a seperate filter which is not common to any other model.
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