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2014-2019 - Chevrolet Silverado 2500 HD Tuners & Programmers

  • Take control of your vehicle’s power and performance with Handheld Tuners from DiabloSport, Edge, Superchips, and Accel. These plug-and-play devices deliver instant horsepower, torque, and throttle response improvements with user-friendly interfaces and preloaded performance tunes. Ideal for both street and towing applications, handheld programmers let you read and clear DTCs, customize shift points, and fine-tune your driving experience with precision.

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  • In-Cabin Tuners and Monitors from DiabloSport, Edge, and Superchips bring real-time power management and performance data directly to your dash. These advanced devices provide live monitoring, data logging, and on-the-fly tuning in a sleek touchscreen interface. Perfect for both street and off-road enthusiasts, in-cabin systems allow you to view critical engine parameters, adjust performance modes, and unlock horsepower—all without popping the hood.

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  • Amp’d Throttle Sensitivity Booster is easy to install, delivers immediate improvement with pedal response, and will enhance your driving experience. Amp’d offers an incredibly simple solution that generates “seat of the pants power” you won’t find anywhere else.

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  • Inline Tuning Modules offer plug-and-play performance gains without modifying the factory ECU. Designed by brands like DiabloSport, Edge, and Dinan, these modules intercept and optimize factory sensor data to safely increase boost, torque, and throttle response. Ideal for leased vehicles or warranty-safe performance, inline modules install in minutes and deliver measurable results—combining modern tuning technology with convenience and reversibility.

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  • Holley’s lineup of tuner accessories includes cables, mounts, and expansion systems for DiabloSport, Superchips, Edge, and Dinan devices. Keep your tuner connected, secure, and ready for performance adjustments.

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2014-2019 - Chevrolet Silverado 2500 HD Tuners & Programmers

The K2XX platform made its way to GM's HD series trucks for the 2014 model year. With it came major upgrades inside, outside, and most importantly, under the hood. The base engine became a 6.0L LS-based V8 producing up to 360 horsepower. For 2014-2016, the 6.6L LML Duramax was the line-topping diesel, and it was superseded in 2017 by the L5P, which provided 910 lb/ft of torque in stock form. No matter how you put your HD truck to use, we have the parts to make it perform better.

Power tuning and programming in the palm of your hand! Available for GM, FCA, Ford, and more! Multiple power levels and monitoring parameters for your gas or diesel powered ride! The powerful and wide-ranging calibrations found in our handheld and in-cabin tuners are capable of increasing performance, improving drivability, increasing towing power, and even improving efficiency.