Hemi dodge ram?
I have a 2005 hemi ram, i bought a k and n air cleaner, just the drop in replacement, not the 300 dollar air intake kit. how much horse power and gas mileage should it improve by?its got 3" pipes and 4" tips and a flowmaster 2 chamber 20 series muffler, that hemi sounds gooooood!!its got 3" pipes and 4" tips and a flowmaster 2 chamber 40 series muffler, that hemi sounds gooooood!!