Reviewed By Robert R. D (Arvada, CO) —4/11/2016 8:26 AM
Easy to install Very quiet at idle Increased hp. It changed the performance of the Denali
Reviewed By Micah S (GOLDSBORO, NC) Reviewed for a 2004 Ford F-150 —5/20/2015 8:16 PM
Immediate increase in hp and gas mileage if you can keep your foot off the floor. I have a 2004 5.4 Ford F-150 fx4 crew cab it is an amazing difference in overall performance you will not be disappointed with this package!
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