2001-2004 GMC Sonoma / S15 Jimmy 4.3L Custom Tuning Tune Service:Scan Cable [$815] ($400 Refundable Deposit included) Torque Management Modification/Removal

Torque Management Modification/Removal

Full 2007+ GM 6 and 8 speed transmission tuning support (2017+ 8 or 10 speed transmissions excluded)

0L (4-speed)

Other improvements range from improved idle smoothness to better shift performance

Gains vary depending on year

2001-2004 GMC Sonoma / S15 Jimmy 4.3L Custom Tuning Tune Service:Scan Cable [$815] ($400 Refundable Deposit included) Torque Management Modification/RemovalBlack Bear Performance offers three different levels of custom tuning service for your 2001 2004 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 Efan enable Torque Management