We offer remote tuning for Duratec/ MZR powered racecars and street vehicles that are not C.A.R.B. (California Air Resources Board/ emission controlled. When you purchase a "Base Map" from us, it comes with up-to 7 additional revisions at no charge that will be used to dial in the mapping of your set-up. After the initial "tune" is completed (or if more than 7 revisions are required, each map/ revision is $25.