Re: ACD Performance Module
Well there website claims this specifically for the 2012 Jeep Grand Cherokee 6.4L:
What should I expect after installation?
Up to +75 Horsepower
Up to +80 Ft.Lbs of Torque
Up to +8 MPG Fuel Savings
Along with added cold air intake for 119$...
That's all the info you need right there....it won't do a darn thing.