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I just bought 2013 zl1 black were should I start putting my cash .cold air intake what one is my pully fine should I go smaller looking for hp

If warranty is a concern, there is not a whole lot you can do. A Cold air intake is a good mod to start with though. We did some testing on the Roto-Fab and gained 31 RWHP with the intake system alone. CAI also has their newly released system available for ordering. They will be going out in about a week. Feel free to call, PM or email me with questions or pricing.

Best regards,

Tyler
888-308-6007

Question the usual suspects. More air in, more air out, optimize the tune. Pretty simple stuff really. If you're wanting to maintain the warranty, go away and quit reading trash found on this site and others like it;).