EFILive AutoCal V3 Tuning System - Open-Box Active Fuel Management Disable Black Bear Performance offers our

Black Bear Performance offers our traditional custom tuning service for your 1996-1997 GMC Sonoma or S15 Blazer 4

Black Bear Performance offers our AutoCal custom tuning service for your 2009-2013 Chevrolet Silverado 4

Black Bear Performance offers three different levels of custom tuning service for your 1999-2007 GMC Sierra 4

enhanced tuning control

EFILive AutoCal V3 Tuning System - Open-Box Active Fuel Management Disable Black Bear Performance offers our** We have 1 AutoCal that has been returned exchanged. It is a fully functioning unit that has been previously opened so we are reselling it at a slightly discounted price. Looking 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