5 Star Custom Tunes w/ SCT BDX Device (2007 - 2013 Silverado / Sierra 4.3L)
Unlock the true potential of your 20072013 Chevy Silverado or GMC Sierra 4.3L with 5 Star Custom Tunes and the SCT BDX Programmer. From the factory, GM calibrates your trucks computer for average driversnot enthusiasts or owners who demand more performance. Our custom tunes transform your truck by delivering more horsepower, torque, throttle response, and towing confidence while also optimizing shift points and efficiency.
Why 5 Star Tuning?
Unlike one-size-fits-all tuners, 5 Star creates calibrations tailored to your Silverado or Sierra and your driving needs. Whether you use your truck for work, towing, or daily driving, our custom approach ensures performance gains without sacrificing reliability.
Dyno & Street Tested
All 5 Star tunes are dyno-developed, road-tested, and tow-proven. With over a million test miles on our own vehicles, we stand behind every tune as both safe and performance-driven in real-world conditions.
Free Tunes for Life
Join our Tunes for Life program and receive free recalibrations for as long as you own your truck. Adding parts like a cold air intake, exhaust, or new gearing? Well update your tunes at no charge to keep your Silverado or Sierra performing at its best.
Performance Benefits
- Gain horsepower & torque across the RPM range
- Faster, more responsive throttle feel
- Cleaner, crisper transmission shifts
- Better towing stability and pulling power
- Improved efficiency under light driving conditions
- Option to adjust or remove factory speed limiter
How We Extract Power
Our engineers refine fuel maps, ignition timing, throttle response, torque management, and transmission shift strategies. This results in a Silverado or Sierra that feels stronger, smoother, and more capable in every driving scenario.
SCT BDX Device Features
- Wi-Fi connectivity for cloud-based custom tune delivery
- Stores up to 10 custom 5 Star tunes
- High-resolution color screen for easy navigation
- Reads and clears check engine light codes (DTCs)
- Live engine parameter monitoring (RPM, temps, speed, etc.)
- Datalogging support for future mods and refinements
- Always saves your factory tune for quick return-to-stock
Easy Installation
Installation takes only 510 minutes with no tools required. Simply plug the SCT BDX into your OBD-II port, follow the prompts, and flash your truck with your chosen custom tune.
Custom Tuning Process
- Order your SCT BDX device and provide vehicle details at checkout.
- Use the device to read your ECU strategy code and email it to 5 Star Tuning.
- Well build your tunes and deliver them via Google Drive download link.
- Load the tunes to your BDX and flash your Silverado or Sierra in minutes.
Important Notes
- SCT software is Windows-compatible; BDX supports Wi-Fi cloud updates for other systems.
- Customer is responsible for emissions and regulatory compliance in their region.
Fitment:
- 2007 Chevy Silverado 1500 4.3L
- 2008 Chevy Silverado 1500 4.3L
- 2009 Chevy Silverado 1500 4.3L
- 2010 Chevy Silverado 1500 4.3L
- 2011 Chevy Silverado 1500 4.3L
- 2012 Chevy Silverado 1500 4.3L
- 2013 Chevy Silverado 1500 4.3L
- 2007 GMC Sierra 1500 4.3L
- 2008 GMC Sierra 1500 4.3L
- 2009 GMC Sierra 1500 4.3L
- 2010 GMC Sierra 1500 4.3L
- 2011 GMC Sierra 1500 4.3L
- 2012 GMC Sierra 1500 4.3L
- 2013 GMC Sierra 1500 4.3L
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