10 Best Tuner For 5.3 Silverado of December 2025

• Shift Points
• DTC Read & Clear
• Compatible with Expandable Accessory System (EAS)
• Recalibrate tire size, gear ratio, and speedometer
• Edit/raise RPM and speed limiters

EDGE

• FITS CHEVY SILVERADO 1500 - The Power Tune arrives pre-loaded with custom dyno proven tuner technology that increases horsepower and torque!
• HOW IT WORKS - The Power Tune simply plugs into the OBD port of your vehicle. It then safely optimizes the ignition spark advance, air to fuel ratios and transmission shifting for the ultimate horsepower and torque gains. This results in increased throttle response, low end torque and acceleration!
• EASY 5 MINUTE INSTALL - Tuning your vehicle is so easy anyone can do it, simply plug the Power Tune into your vehicle's OBDII port to unleash hidden power, no mechanical skills needed!
• GUARANTEED SAFE - The module never overwrites factory data and always preserves your warranty coverage. If for some reason you remove the tuner, no one will ever know it was installed.
• OUR PROMISE - If for any reason you are not 100% satisfied with your Power Tune Chip, we offer a full money back guarantee, no questions asked. Buy now RISK-FREE.

Power Tune Performance

• WIDE MAKE & MODEL FIT - Works with select Ford, Lincoln, Dodge, Chrysler, Jeep, Chevrolet, GMC, Cadillac, Nissan applications. Enter your vehicle above to verify compatibility. Please contact Bully Dog support for assistance.
• 50 STATE COMPLIANT - Meets emission requirements in all 50 states with dyno-proven tunes that add power, torque and fuel economy.Display current gear on vehicles with auto trans
• HEADS UP DISPLAY - Monitor over 15 performance parameters at a glance with a dynamic LCD display mounted on a pillar, window, or dash.User set daytime and nighttime driving modes
• MULTIPLE PRELOADED TUNES - Access four preloaded tunes with the touch of a few buttons to maximize performance in any situation.
• CODE CLEARING - Diagnose and clear trouble codes to ensure proper engine operation.

Bully Dog

• Boost your horsepower, torque, throttle response and fuel economy with the advanced Innovative Performance Chip compatible with your Chevrolet Silverado 1500! Safely gain up to +35 HP and up to +5 MPG in fuel mileage in your vehicle by safely optimizing your air/fuel ratio and timing curve for increased efficiency!
• Easily installs in less than 15 minutes, with absolutely no mechanical experience required! All performance chips come with an installation kit, including detailed installation instructions with easy to follow step-by-step pictures! Our award-winning 5 star technical staff is here to guide you and help with any questions that you may have.
• Makes NO permanent changes to your vehicle's computer! It will not void your factory warranty, and it's completely emissions safe. The performance chip is fully compatible with your Chevrolet Silverado 1500 in all trims, including the 2.7L, 3.0L, 4.3L, 4.8L, 5.0L, 5.3L, 5.7L, 6.0L, 6.2L and 7.4L engines.
• We strived to create the most high quality product in every aspect, delivering you the most affordable product without sacrificing quality. All performance chips feature a high-end aluminum enclosure with an extremely durable, high quality anodized finish. It's a thousand tiny details that add up to something big.
• All performance chips are proudly backed by our unmatched 100% Money-Back Guarantee & Lifetime Warranty! A properly maintained vehicle is required for the performance chip to function as intended and advertised. Results may vary.

Innovative Performance Chips

• FITS CHEVY SILVERADO - The Power Tune arrives pre-loaded with custom dyno proven tuner technology that increases horsepower and torque!
• HOW IT WORKS - The Power Tune simply plugs into the OBD port of your vehicle. It then safely optimizes the ignition spark advance, air to fuel ratios and transmission shifting for the ultimate horsepower and torque gains. This results in increased throttle response, low end torque and acceleration!
• EASY 5 MINUTE INSTALL - Tuning your vehicle is so easy anyone can do it, simply plug the Power Tune into your vehicle's OBDII port to unleash hidden power, no mechanical skills needed!
• GUARANTEED SAFE - The module never overwrites factory data and always preserves your warranty coverage. If for some reason you remove the tuner, no one will ever know it was installed.
• OUR PROMISE - If for any reason you are not 100% satisfied with your Power Tune Chip, we offer a full money back guarantee, no questions asked. Buy now RISK-FREE.

Power Tune Performance

• Wide make & model fit - Fitting a wide array of Ford, Dodge, Nissan & GM Gas Models. Enter your vehicle above to verify compatibility. Please contact Bully Dog support for assistance.
• FUEL ECONOMY - Enjoy fuel saving preloads for long-haul and around town driving. As well as other downloadable features.
• HEADS UP DISPLAY - Monitor over 15 performance parameters at a glance with a dynamic LCD display mounted on a pillar, window, or dash.
• PICK YOUR POWER - Utilize multiple preloads and up to 10 custom tune files to match your vehicle and performance needs.
• CODE CLEARING - Diagnose and clear trouble codes to ensure proper engine operation.

Bully Dog

• Average gains in excess of 30 HP/40 ft.-lbs. for gas and 80 HP/150 ft.-lbs. diesel
• HD 2.8” color screen with updated interface for easier and faster modifications
• Increased memory and faster processor for improved tuning plus faster updating
• Active fuel management control
• Performance test (0-60, ¼ mile testing)
• Fit type: Vehicle Specific

ACCEL

• DiabloSport 8200

DiabloSport

• DiabloSport 8245
• This product will not work on Hybrid or E-Assist vehicles.
• 8245 Platinum is for GM allow custom tunes

DiabloSport

• Eliminate downshifting when climbing hills Speedometer correction for changes in tire size and gear ratio*
• High-definition, 2.8" color screen
• Easy to use 5 button interface
• Increased memory with faster processor for improved tuning & updating speed
• Performance tuning for Economy, Towing, Daily Driving, & Extreme Tuning

DiabloSport