Works just as described, just plug in and go.
This was possibly the best thing I've gotten for my truck. I just dropped a new engine in it June 2016 due to the oil consumption issue being so bad. So, I wanted to try and protect this one best I could. The truck drives and shifts much smoother now always being a V8. Highly recommend for anyone on the fence of ordering one.
I have spent over $7000 on upgrades for my 2016 Silverado 4x4 and this expense was by far the best money I have spent! Been using this for 3 weeks and it's like driving a different truck! I bought a V8, not a 4 banger! Fuel milage may have decreased by 1/2 mile per gallon. You better buy one for yourself!