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Desert Patina
03-15-2013, 07:39 PM
That's the number for the K&N filter that fits with the stock VAM, and VAM bracket.

Its a world of difference now that I've secured the VAM. It drives like the one I drove many many years ago.

No more hesitation as it enters boost, no more stuttering at high RPM.

Bob Holmes
03-15-2013, 07:45 PM
I like the K&N filter, good move.

Raven855
03-16-2013, 04:07 AM
E-1931 is the number for the drop in for the stock filter box. Glad you got it running well!

Ford Builder
03-16-2013, 05:51 AM
Am running a K&N filter too.