Reviewed By Ronald G (Kansas City, MO) Reviewed for a 2014 Ford F-150 —5/16/2016 11:00 AM
Definitely could tell the difference. Increase in hp.
Reviewed By Joseph F (Motley, MN) Reviewed for a 2014 Ford F-150 —4/12/2016 7:27 AM
The installation instructions are horrible. Look it up on youtube and it simplifies it so much and then it is very easy. Cannot say I have seen an improvement in mpg but you can feel the difference when you step on the gas. It sounds great too without being obnoxious.