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I'm buying a custom file tune from Either Diablew or Flashpad. Both of gotten peoples trucks or cars between 13-45 horsepower and more depending on there conditions or roads or weather. 2019 Chevy Silverado 1500 custom trail boss 5.3L 6 speed Mods Muffler and resonator delete, no third cat from the factory K&N drop in Filter with Intake tube Wishing to tune it with a custom file for more power and torque on 93 octane tune and 6100 rpm shifts.

Hi everyone i have a 2019 Chevrolet silverado custom trail boss. I'm trying to find the right parts to regear my truck to a 4.10 gear ratio. If you guys have any info or have done it on your trail boss or 19-22 trucks with the 6l80e please let me know thanks

So like...I know this is an old post but you did you get it done if so which parts do I need I have the exact same truck and looking to turn mine into the opposite of yours and making it a street truck