Hey all, Just a quick update: I recently put a Banks Power air intake on my 6.0L Vortec. If anyone really wants to see pics, I can certainly oblige, but the important thing I took away from all of this is I got about 1.3 MPG increase. It may not seem like a lot, but every bit can help. Plus, I'm planning on putting a new exhaust on the Beast, so maybe I'll squeeze more mileage out of her. I'll let you know what I find out. Thanks for listening everyone.