Absolutely ridiculous that this cabin air filter doesn't come standard in the rams. Bought this immediately after finding a YouTube video stating that rams do not come with this item. My ram luckily had the cabin air filter door that this slides into. However at first glance upon installation it seems that the filter won't fit. (it's a very precise fit, and there is a wire in the way that you have to move in order to install) had to be quite rough with the filter (it's very fragile) to get it into the housing. However it does exactly fit. Will see if there's a noticable difference. I'd recommend anyone putting this in their ram. (especially in Los Angeles where I am, give me that filtered air fam, tired of breathing in crap non stop)