Reviewed By Joe N (Albuquerque, NM) Reviewed for a 2007 Chevy Silverado —3/2/2009 8:49 PM
This product gives better throttle response. I havent seen an increase in mpg though. This product goes well with the superchip, cold air intake, throttle body spacer and exhaust that I already have. 2007 VORTECMAX!