I'm pretty new to this RAM forum and have seen several posts about catch cans, seemingly only on the 5.7 hemis. What is this all about other than what is mentioned above? Without one I assume the oil (mist?) goes back into into the engine as designed by the engineers but why is there an issue to begin with? And does this affect the 6.4 hemi as well? I don't see posts on that. I cannot imagine that much blowby on a new engine.
It affects all engines, Brother!
One can do a basic DIY catch can...
Morimoto or Billet Technology (aka BT) have them as well.
I personally went with the BT version as I really like their product quality, ability to customize, and they have their "Z" bracket that bolts right into a stock threaded hole on the engine itself for easy and optimal placement of the catch can so you can easily access it for regular cleaning.
BT also regularly has amazing sales on their products, so it makes purchasing pretty much a no brainer as far as cost vs quality and customization goes.
New engine or not, the crud that blows by does cause buildup on the throttle body and inside the intake manifold. Over time this appreciably robs ones engine of efficiency and overall performance from a drivability perspective.
I've got a brand new Warlock and I just checked my CC and there is a small amount of residue on the bottom of my CC... this would have gone into and coated my TB and intake manifold
** EDIT
Moroso is also a fantastic option to consider as well.
They have an ingenious drain valve on the bottom of their CC's that makes dumping out the gunk inside a breeze.
Either way... employing the use of a CC is a really good way to optimize your ownership experience in terms of keeping the engine cleaner and happier!