2015 RAM CAI
I go the K&N 63 series and everything went great with the exception of a few things. One of the nut and bolt that attaches the the Frame was way to short to fit all the washers and the Spacer. The other major problem was the Recalculation hose which you have to cut to fit. The port which accepts the recirc tube is not lined up with where the hose comes out of the engine cover which makes you kink the hose 90 degrees inorder to get it on the CAI Tube. this should be a factory 90 or a pre bent.
This is my second K&N I've had, first was on my 2004 Ram 1500, this one is on my 2014 Ram 1500. The throaty sound it adds with an exhaust makes my hemi sounds like a beast, not obnoxious but tough. I notice the power but have not checked the gas savings yet but Probably not much savings since I'm a little heavy footed so I can hear this thing roar. Took me about an hour to install, instructions were pretty simple and I didn't have any issues. Over all great product!