This intake kit, once installed made a big difference in overall engine power and all out acceleration in my 2012 Mustang. Guessing that the claims of 15 - 25 extra H.P. are not exagerated. Expect improvement in fuel economy also.
However, the written instructions provided with the shipped components are faulty in that it tells you to mount the filter element containment box first and then assemble the filter, induction tube and rubber fitting afterward. Doing so will reveal that you CAN NOT assemble those pieces afterward and make them fit. There's simply not enough room for them to fit that way. I followed the written instructions and it took me 3.5 hours to do the installation when it should have taken no more than two hours. You must preassemble the filter element and induction tube into the containment box BEFORE you mount the box onto the fender. The video accompanying this part is, however, correct and advises to preassemble the components before mounting. Watch and follow the video and not the writt