Do I Need a Custom Tune on my Bully Dog Tuner for Long Tube Headers?

    December 30th, 2021

    Yes, for most exhaust modifications before the Cats, you will need a custom tune. Click Here to find an authorized dealer near you!


    *We do not offer or support emissions modifications on any vehicle, either pre-loaded or custom tuned


    Was this article helpful?

    Can’t find what you’re looking for?

    Our Technical Support team is here for you.

    Contact Support