Mustang Parts Unlimited Automotive Blog

SCT X4 7015 and 7015PEO - What is the difference?

Posted by MPU Admin on Jul 2nd 2023

So, what is the difference between the SCT X4 7015 and 7015PEO? In a nutshell, the 7015PEO is 50 state CARB compliant. It includes a limited set of preloaded tunes (as of today 7/2/2023)The Carb EO pr … read more