I am just starting with the diesel motor. Did my first long pull (500 miles) and was not pleased with my mileage at all. (see my response in DMax 6600 - gas mileage). I am going to a 4" exhaust, superchip tuner, and maybe a different filter. After reading about filters here, I don't know if I'll change.
Does this setup sound like it is going to help me? Or is the sales person trying to make some money off a newbe? I am not looking for "smoke the tires" power. I want decent mileage with decent power.

Thanks everyone, I really enjoy reading what everyone has to say.


Larry.