DSP5 (SOTF) 2006-2007.5 LBZ Duramax for EFILive T5049 paired with a perfectly curved

paired with a perfectly curved visor

timeless style and breathable comfort

***Cab and Chassis trucks only have 2 power levels on the switch (heavy tow and sport economy)***

HEAVY TOW (Tune Position #2)

Transmission Tuning

DSP5 (SOTF) 2006-2007.5 LBZ Duramax for EFILive T5049 paired with a perfectly curvedInstantly choose between towing, race, sport economy driving and stock tunes for your 2006 or 2007 Chevy Silverado or GMC Sierra. EFI Live license is optional. You can purchase the required switch for LLY from us as well. Flash using your EFI Live Flash Scan or AutoCal device You will need an EFI License that you can buy from us 5 Switch on the Fly Tunes Instantly switch tunes while driving Choose your switch option based on model year Motorops tunes