E-Tunez offers a Premium Level Tuning Service that provides up to 180 days or 50 revisions of expert calibration support for vehicles equipped with compatible tuning hardware such as Hondata, KTuner, or ECMLink. This package includes full Wide Open Throttle (WOT) analysis, throttle and knock review, and zeroing of Short Term Fuel Trims (STFT) to ensure optimal performance and drivability. Customers receive access to daily tuning support, consultation, and assistance with hardware setup, along with tuning for upgrades, modifications, and multiple maps (Eco, Race, POP, etc.). The E-Tunez team can be reached by phone at (224) 268-1626 (Monday–Friday, 9 AM–5 PM CST) or by email for tuning inquiries and technical support.

Priority Support is available through purchase of the Premium Level Tuning Package and via the company phone number listed above.