I've got an 06 quad cab SLT, 4.7, 4x4 in my sig. It just hit 61k miles (just drove it to Oklahoma and back to AZ), has K&N intake and Flowmaster exhaust, you can hear it run if you look in the common questions sticky. I'm located in Queen Creek, AZ. I your interested. I'm just looking to get what I owe on it, I think its 15k. Truck runs AWESOME no complaints, We need a Durango or expedition now, Just had our third child on saturday. We are shopping now... LMK if you might be interested.