30k miles= an estimated $8500 in fuel at 4$ a gallon getting 14mpg
30k miles= an estimated $7058 In fuel at 4$ a gallon getting 17mph...
1500 in savings if I can get 17mph.
you'll spend at least that in the tuner/dpf delete stuff so kind of pointless IMO unless you're planning on either keeping it for more than 2 years or putting way more than 10-15k per year on it...