2001-2004 Chevrolet S10 / Blazer 4.3L Custom Tuning Tune Service:Traditional [$355] towing capabilities

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

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

2001-2004 Chevrolet S10 / Blazer 4.3L Custom Tuning Tune Service:Traditional [$355] towing capabilitiesBlack 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