Originally Posted by Zimfairy
Just installed a K&N 63 Series AirCharger High-Flow Intake into my Ram 1500 Hemi V8 and it seems like my Mpg has gone down instead of up - most reviews said they gained 2mpg.
Anyone experiences this?
Not surprised at all. MPG is achieved at 1,200-1,800 rpm's. At those RPM's the stock system is oversized and there is NO restriction with a clean filter. Then factor in when it drops to 4 cylinders at those Rpm's and you have less air flow than a squirrel fart.