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) 1L vehicle used for heavy

1L vehicle used for heavy towing

Interchangeable black and white faceplates included

Looking for a versatile tuning system that will grow with your modifications while providing improved shifting

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

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

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) 1L vehicle used for heavyBlack 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