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Old 05-03-2013, 06:18 PM   #22
JDP Sales

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Drives: Chevys at the limit
Join Date: Nov 2010
Location: SLC, UT
Posts: 10,580
Originally Posted by Normagene View Post
I know lots of folks have purchased the Roto Fab CAI. I'm getting closer to putting in my order, but does it really increase power? I've read an increase of approx 20/22 HP. And does that increase affect the exhaust sound. Faster and louder, that gets a sale from me. I don't want anything that effects my warranty so this intake sounds like a good deal. Any feedback is truly appreciated. The longer you've had it installed the better, really like to hear your opinion.
There is a great gain to be had with this system. Here is a dyno sheet from a bone stock ZL1 overlapped with another run 30 minutes apart after installation of the Roto-Fab intake system. Keep in mind this dyno was done with the hood up, but I would expect similar gains coupled with the Big Gulp at freeway speeds.

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