Today on this 2012 Jeep Grand Cherokee, we're going to install part number AR311-212. This is Airaid CAD Intake System with SynthaMax Filter. First thing we need to do, open up the hood and get to the engine compartment. When you remove the engine cover, this whole assembly simply just pops up. Just pull up from the bottom and gently pull up and it will pop loose. Next, we need to loosen the hose… see more >