I saw in a mag. stock box K&N gave it 2HP more when the car was warmed than K&N conical But when it was clod the K&N conical had like 4HP more than the Box. So they are about the same. I think it had some Box not all the way around.
[This message has been edited by Stang Runner (edited 07-23-2001).]
[This message has been edited by Stang Runner (edited 07-23-2001).]
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