2004.5–2005 LLY Duramax ECM Tune
Single Tune / 4-Week Support
$283.23
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2004.5–2005 LLY Duramax ECM Tune
$283.23
Pickup currently not available
Custom ECM calibration for 2004.5–2005 LLY Duramax trucks from Automotive Innovations. EFI Live only. EZ Lynk is not supported for the LLY.
Please provide your VIN, tire size, EFI Live device information, and complete modification list when ordering. Transmission tuning is not included by default; it can be discussed and quoted separately when requested.
Custom calibration service, not an instant download. Calibration development includes testing and data acquisition. All work must comply with applicable federal and state laws.