Sorry for the delayed response...No difference at 70-75 mph unless you punch it.
I general, I won't see a difference unless accelerate "hard". It may just be the way I drive (like Ms Daisy). The SC is there when I need it. When I do accelerate, it is a very noticeable difference than w/o a SC.
Magunson Supercharger 3 months
I had a Magnuson SC installed only my 2014 Limited.
So far so good. Here are some of my thoughts:
Overall I'm happy with it. Love the "vacuum cleaner" sound when I punch it.
Gas mileage not too bad. Loss of about 1mpg if driven hard. I do have to put premium now...
ARB Bumper was designed for a trail or TRD. I had to have some sheet metal cut in the front to fit right. Work done by 4WP.
10,000lbs X20 Smitty Built Winch with wireless control that actually works.
Roof Rack is Smitty Built Defender 4'x5'
Rear Tire Swing Gate is Wilco. No Rattle with wedge...
My rigged out barza red
I finished my mods about a month ago. I've been having a little trouble navigating this site (It's noy you, its me...). Hopefully I'm posting/replying correctly.