: K & N Drop In

10-30-11, 10:00 PM
Good day Gents and Happy Halloween Eve. I will be racing SCCA Solo FS next year so I can not do a CAI, and have read here and there that it is not worth the cash, with 11k on my 07 I am betting it is air filter time.
Is the K and N worth it?
Is this the right one? K&N Drop In Replacement Air Filter 33-2649
Or should I just go back with a Fram or something?
Thanks in advance

10-30-11, 10:15 PM
i put a drop in k+n, no real difference, they flow better but not a difference anyone would feel. i bet maby 1hp gain on the dyno lol

10-30-11, 10:35 PM
I would run a Wix paper element (Part No. 42827). The problem with the K&N is that it only filters well when oiled and the oil can (and often does) foul the sensor wires in the MAF. You can run the K&N dry but it will not filter out contaminates. I really believe oiled filters, like K&N, have been rendered obsolete by the introduction of fuel injection and the associated need for sensors in the airstream.

10-30-11, 11:14 PM
Not sure when this filtration test was done, but it's an interesting read.


10-31-11, 06:42 AM
Thanks for your input guys. I think I will stick with a paper element and give the Wix a try. Pato- that article sealed the deal for me thanks for the link.

10-31-11, 10:03 PM
Glad to help. I run Napa Gold air filters after reading that.

11-01-11, 09:12 PM
thats some good reading

11-01-11, 10:07 PM
I have run K&N drop in for a little over 100K miles. I oil it once a year or so and no problems thus far.

11-03-11, 11:41 PM
i have always ran k+n filters, i will check out other options next time

11-03-11, 11:52 PM
Two of my vehicles have K&N and two just the standard WIX. I don't think I would buy the K&N filters again. Easier to just throw on a new one rather then wash, oil, etc.

11-05-11, 10:40 AM
yea eaxctly, way easier