JMS has built a solid reputation in the industry for the highest quality mail order calibration programing!

You can trust JMS' great reputation and 90+ years of combined EFI tuning experience.

Tuning Hourly Rate: $500.00 per hour (includes dyno time, call for appointment, does not include device.

NOTE:  We do not modify or turn off the vehicles emissions system.  So don't ask!

Our mail order tunes offer the BEST tuning available for your SCT tuning tool:

  • Single e-mail tune - $200.00
  • 3-pack of e-mail tunes - $250.00
  • Reburn of a device not bought through JMS - $200.00 single and $250.00 3-pack