Re: AFE ecodiesel intake..yay.
I've had the AFE intake installed for a few hundred miles now, probably 300-500, and I can say the sound is nice. Much better than stock, although it's never going to sound like a 7.3 powerstroke. It's nice to be able to hear what the engine is doing.
It's always hard to judge fuel mileage increases outside of a lab setting, BUT i've averaged 30mpg for the last few hundred miles which was 60% highway and 40% back roads. The same commute with the stock intake got me around 27-28, so I'm happy with this thing.
2015 Grand Cherokee Overland Diesel
2004 Mercedes E55 AMG