2021 Support Unleashed!

TTS MasterTune is the premier EFI tuning product for Harley-Davidson motorcycles. We are proud to announce that our latest release has key advantages for the 2021 model year over the competitors:

• Faster data collection.
  Collect data over 4 times faster than the competitors.
• Torque control tuning provided exclusively by TTS.
  Take full advantage of the newer models' capabilities using our free WEB service designed specifically for torque controlled motorcycles.
• Ready-made tunes for many aftermarket mods.
  Use ready-made tunes out-of-the-box or as a starting point to create your own custom tune.
• Greater access to ECM adjustments.
  MasterTune allows greater access to the ECM adjustments than the competitors. This allows for a higher quality finished calibration to be done.
• Saves multiple copies of calibrations for backup.
  Stock calibration and tuning calibration are stored on both the PC and the interface for safe keeping.
• Up to 8 hours of data collection
  Interface allows for up to 8 hours of data collection while riding the bike for fine tuning with real street data, or to find that one trouble spot that only happens on the highway.
• Maximum speed limit for all calibrations.
  All supplied calibrations have the Max. Vehicle Speed Limit raised to 168 MPH standard.
• Real Time Cell Trackers
  MasterTune/DataMaster Exclusive Real Time Cell Trackers when tuning VE, Spark, EGR, Torque tables and more!

Download the latest software to get started tuning your 2021 H-D motorcycle today!

Greater access to ECM adjustments

Real Time Cell Trackers