1996-1997 GMC Sonoma / S15 Jimmy 4.3L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):Blemished PCM (>5% paint missing) [+$75] This option requires the ECM

This option requires the ECM from the vehicle to be shipped to us to be updated

Black Bear Performance offers our AutoCal custom tuning service for your 2009-2014 Chevrolet Tahoe 5

1L vehicle sensors

Faster Transfer Speeds with Wi-Fi

Black Bear Performance offers three different levels of custom tuning service for your 1998-2000 Chevrolet S10 or Blazer 4

1996-1997 GMC Sonoma / S15 Jimmy 4.3L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):Blemished PCM (>5% paint missing) [+$75] This option requires the ECMBlack Bear Performance offers our traditional custom tuning service for your 1996 1997 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 Tire Gear