Originally Posted by RootBeer
I see a lot of posts and questions about CAI's, so I thought I'd do a little checking and do some comparisons. Everything is based on my Ram, 2010 with the Hemi. I'm sure there are other CAI's out there but these are the more common ones.
BFI $329.00 not enclosed and not out in the cold air.
K&N $322.00 partially enclosed and not in the cold air.
Airaid $365.00 partially enclosed and uses some cold air from fender connection, would use full cold air if it was fully enclosed
AFE Stage 1 $336.00 fully enclosed and uses cold air from the fender connection.
Volant $405.00 fully enclosed but has hole in bottom for scoop attachment which would be easy to block. Uses outside air connection on fender.
For my money were I to buy a CAI, I'd go for the fully enclosed CAI's hands down. CAI means "Cold" Air Intake. In my mind any CAI that does not get its air from outside the engine compartment is not a true CAI.
I don't have this thing called CAI... I have been wondering about it ever since joining this forum. RB is right. I have seen a lot of pics on here with the filter right beside the exaust manifold, or at least behind the radiator. That is a LONG way from cooler/denser air no doubt! While most I have seen do improve on the air flow coming into the intake manifold, It makes no sense to spend that kind of money and get 'half' what you could gain!