![2010-2020 Chevrolet Express 4.3L, 4.8, 5.3L, and 6.0L Custom Tuning Tune Service:Transmission Tuning Only [$525] ($400 Deposit Included) Credits and tuning are sold](https://cdn.shopify.com/s/files/1/0673/0504/6304/files/BlackBearLogoFullColor_56615d9b-88ac-44f5-b1c5-54286b452ce5.png?v=1708639757)
Pay in 4 interest-free payments of $93.62 Learn more
Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
Credits and tuning are sold separately
turbochargers*
3L engines will typically see a 15-30hp/15-20ft-lbs gain
All 2007+ 5
KEY FEATURES
2010-2020 Chevrolet Express 4.3L, 4.8, 5.3L, and 6.0L Custom Tuning Tune Service:Transmission Tuning Only [$525] ($400 Deposit Included) Credits and tuning are soldBlack Bear Performance offers our AutoCal custom tuning service for your 2010 2020 Chevrolet Express 4. 3L, 4. 8L, 5. 3L and 6. 0L. Gains vary widely by engine type and configuration. 4. 3L 5. 3L engines will typically see a 10 25hp 15 20ft lbs gain (octane dependent) 6. 0L engines will typically see a 20 25hp 25 30ft lbs on (octane dependent) Combine that with improved shift patterns, towing capabilities, throttle response and even fuel economy in
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