1999-2007 Classic Chevrolet Silverado 1500 4.3L, 4.8L, 5.3L and 6.0L Custom Tuning Tune Service:Scan Cable [$815] ($400 Refundable Deposit included) We start off by having

We start off by having you collect your OEM tune file(s) as well as a scan of the vehicle's operating conditions while driving

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

Manual transmission vehicles will see a big improvement in shift speed and feel

The scan cable and factory computer(s) (if desired) are returned to us for a refund of the deposit (less 3% merchant fees)

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

1999-2007 Classic Chevrolet Silverado 1500 4.3L, 4.8L, 5.3L and 6.0L Custom Tuning Tune Service:Scan Cable [$815] ($400 Refundable Deposit included) We start off by havingBlack Bear Performance offers three different levels of custom tuning service for your 1999 2007 Chevrolet Silverado 4. 3L, 4. 8L, 5. 3L and 6. 0L (Including Silverado SS!). Gains vary widely by engine type and configuration. 4. 3L engines will typically see a 10 15hp 15 20ft lbs gain 4. 8L and 5. 3L engines will typically see a 15 30hp 15 20ft lbs gain. 6. 0L will see a 25 30hp 20 25ft lbs gain on 91+ octane! Power gains, combined with improved shift