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Ships within 48 hours · Estimated delivery Jul 24 - Jul 29
Black Bear Performance offers three different levels of custom tuning service for your 1999-2007 GMC Sierra 6
This equipment is in high demand and the viability of this business depends on its expeditious use and return
The scan cable and factory computer(s) (if desired) are returned to us for a refund of the deposit (less 3% merchant fees)
all but eliminating the likelihood of any warranty concerns
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EFILive AutoCal V3 Tuning System Black Bear Performance offers threeLooking for a versatile tuning system that will grow with your modifications while providing improved shifting, throttle response, and horsepower and torque gains? Need to program a newer 6 or 8 speed car or truck, but aren't able to meet up for our in person event? Would you like to be able to return the vehicle to stock before taking it to the dealer for service, all but eliminating the likelihood of any warranty concerns? If the answer to any of