Custom Tune files from Tillman Speed are developed in-house on our Dynojet 224xLC by SCT Certified calibrators using top-level SCT Advantage III software. Files will be emailed to the address provided at checkout. Please allow 48-72 hours turnaround time for custom tuning files to arrive. Questions about our custom tunes? Please see the "Custom Tuning", "Tuning FAQ" and "Dyno Results" for more information.

If you don't see the product you're looking for, feel free to contact us! We offer a variety of Custom Tunes for multiple applications, and ship and email tuning worldwide!