Pre-Tuned Overland Tailor Tune (OTT) ECUs

Pre-Tuned Overland Tailor Tune (OTT) ECUs

Upgrade your Toyota with a professionally calibrated Pre-Tuned OTT ECU, designed specifically for:

  • 2016–2023 Toyota Tacoma 2.7L (2TR-FE)
  • 2016–2023 Toyota Tacoma 3.5L V6 (2GR-FKS)
  • 2010–2023 Toyota 4Runner 4.0L V6 (1GR-FE)
  • 2WD and 4WD models

These ready-to-install ECUs are calibrated to improve throttle response, optimize transmission behavior, and enhance overall drivability — without sacrificing long-term reliability.

Please note: a $350 core charge is applied to certain listing prices and will be fully refunded once we receive your original (stock) ECU & verify its working condition.