2001-2004 Chevrolet S10 / Blazer 4.3L Custom Tuning Tune Service:Traditional [$355] Black Bear Performance offers three

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

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

Those items are sent in to us for diagnostic review and to build your tune files

and models

*Transmission tuning on 2017-2020 8- and 10-Speed Transmissions is available

2001-2004 Chevrolet S10 / Blazer 4.3L Custom Tuning Tune Service:Traditional [$355] Black Bear Performance offers threeBlack Bear Performance offers our traditional custom tuning service for your 2001 2004 Chevrolet S10 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 Modification Removal