1998-2000 GMC Sonoma / S15 Jimmy 4.3L Custom Tuning Tune Service:Scan Cable [$815] ($400 Refundable Deposit included) Black Bear Performance offers three

Black Bear Performance offers three different levels of custom tuning service for your 2007-2008 GMC Sierra 4

2L engines can see up to 30hp on 91+ octane fuel

Black Bear Performance offers our AutoCal custom tuning service for your 2009-2013 GMC Sierra 4

15-20ft-lbs of torque gains are common out of this 4

15-20ft-lbs of torque gains are common out of the 5

1998-2000 GMC Sonoma / S15 Jimmy 4.3L Custom Tuning Tune Service:Scan Cable [$815] ($400 Refundable Deposit included) Black Bear Performance offers threeBlack Bear Performance offers three different levels of custom tuning service for your 1998 2000 GMC Sonoma or S15 Blazer 4. 3L. 10 15hp, 15 20ft lbs of torque gains are common out of this 4. 3L powerhouse. Combine that with improved shift patterns, response and even fuel economy in many cases and you'll have what feels like a whole new vehicle! Additional service offerings include: Speed and Rev Limiter Increase Torque Management Modification Removal