I got a K&N, but lots of guys like Roto-fab and there are a couple other that give you the results you want. Really, I think they are all the same, and to me its all a matter of what is YOUR preferrence. Even if you get K&N, and its not an enclosed box, you can get the ADM race scoop and be happy!
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2013 ZL1 Crystal Red Tintcoat, Stock...for now
1968 SS/RS 396- being resurrected.
2011 SS LS3-Cammed, bolt-ons.(SOLD)