2008 F-250 Diesel AFE 4" Exhaust

Truck is running Spartan 250hp tune with S&B Intake and 4" AFE downpipe back exhaust with no muffler.

[@HunterHudd]

How do you like that exhaust? And what kind of mpg are you getting with the 250 tune?

[@duncanskier]

what programer/ chip do you have installed?

[@mm-ny9ey]

What did you pay for the exhaust?