If you run 5-6 Uni-vents w/ the K&N drop-in you should be around a 160. If you use the slip-on K&N probably around a 170. Those are both provided you're running an aftermarket silencer.
I heard that the Air-Force kit comes with a 190 main. Seems very high to me, but that's what I was told. You won't know what you get when you order it, cause I guess that's like secret or something.
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