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Old 07-18-2013, 12:55 PM   #18
JDP Sales

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Drives: Chevys at the limit
Join Date: Nov 2010
Location: SLC, UT
Posts: 10,584
Originally Posted by zirotti View Post
Has there been any documented increases in performance or is this mainly for sound/"driver experience"?
We did some testing on a 100% stock ZL1 with nothing but the Roto-Fab intake installed and made a solid 31hp over stock. Mind you, this test was done with the hood up, but I have no doubt that complimented with the Big Gulp; you would see those gains at speed.

Here is the dyno graph:

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