PY Online Forums - Bringing the Pontiac Hobby Together - I think I'm done with the foam air filters

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- - I think I'm done with the foam air filters (https://forums.maxperformanceinc.com/forums/showthread.php?t=842531)

I run the K&N's when I drive her.
I have the paper filters for the shows. When bright white (new) they look the best.

Every so often, I forget to change them. I honestly don't feel a difference.
I just assumed the K&N flowed much more air, so they were better for performance.

Quote:

Originally Posted by Rugratman (Post 6194924)

Been running the same set of K&N's on my '65 for the past 37 years with no problems. With the paper, the middle element would get restrictive pretty quickly under normal use. I don't show the car, just drive it.