Reviewed By Nathan R (THRALL, TX) Reviewed for a 2011 Ford F-150 —7/23/2015 9:21 AM
This is the most easy awesome upgrade to my truck I could have done. I noticed a difference right off the line. still trying the different option and today I am finally to gas saver, so far so good. love this thing. So far I think the 87 is the best but the gas saver isn't coming along to badly.