5 Star Custom Tunes w/ RTD Device (2014 - 2018 Silverado / Sierra 4.3L)
Maximize the performance of your 20142018 Chevrolet Silverado or GMC Sierra 4.3L with a 5 Star Custom Tune and RTD Device. From the factory, your PCM is calibrated for average driving, which leaves horsepower, torque, and throttle response untapped. Our proven tuning recalibrates your vehicle for stronger power, sharper acceleration, smoother shifts, and improved overall drivability.
Why Choose 5 Star Tuning?
We are a trusted leader in Ford and GM performance tuning, specializing in custom calibrations for trucks, SUVs, cars, and motorhomes. Each tune is tailored specifically to your driving needswhether thats more torque for towing, more horsepower for daily driving, or optimized performance for future upgrades. Reliability and refinement are at the core of every 5 Star calibration.
Proven on Dyno & Street
Our tunes are dyno developed, street tested, and backed by millions of miles of real-world driving. We test on our own vehicles across the country to ensure unmatched balance between performance, drivability, and dependability.
Free Tunes for Life
Join our Tunes for Life program and enjoy free calibration updates for as long as you own your truck. Whenever you add performance mods like exhausts, intakes, or other upgrades, well retune your Silverado or Sierra at no extra costkeeping your truck optimized at every stage.
Performance Benefits
- Increased horsepower & torque
- Faster throttle response
- Smoother transmission shifts
- Improved towing power and efficiency
- Removes sluggish throttle feel and factory speed limiter
How We Unlock More Power
5 Star Tunes optimize fuel mapping, ignition timing, drive-by-wire settings, torque converter strategies, and transmission shift pressures. The result is maximum usable power with smoother operation across all driving conditions.
RTD Device Features
The included HP Tuners RTD Device is more than just a flash programmer:
- Store and load up to 10 custom tunes
- Monitor real-time engine data (RPM, temps, speed, and more)
- Datalog to fine-tune current or future mods
- Restore your factory tune anytime
Note: Requires Wi-Fi and a Windows PC for tuning and flashing.
Simple Installation
No shop visit neededinstall in minutes through your OBDII port with the provided USB cable. The process requires no tools and can be completed at home by following the included software instructions.
Dedicated Tech Support
Questions? Our team is here to help. Call us at 1-855-827-7223 or email sales@beefcakeracing.com for expert assistance with installation, flashing, or performance tuning.
Important Notice
By purchasing this tuner, you agree to ensure compliance with all applicable laws and regulations. 5 Star Tuning does not disable or defeat emissions control systems. This product is not legal for sale or use in California. Orders from California will be canceled.
Fitment:
- 2014 Chevrolet Silverado 4.3L
- 2015 Chevrolet Silverado 4.3L
- 2016 Chevrolet Silverado 4.3L
- 2017 Chevrolet Silverado 4.3L
- 2018 Chevrolet Silverado 4.3L
- 2014 GMC Sierra 4.3L
- 2015 GMC Sierra 4.3L
- 2016 GMC Sierra 4.3L
- 2017 GMC Sierra 4.3L
- 2018 GMC Sierra 4.3L
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
