5 Star Custom Tunes w/ SCT X4 Device (2007 - 2013 Silverado / Sierra 4.8L)
Give your 20072013 Chevy Silverado or GMC Sierra 4.8L the power and drivability it deserves with 5 Star Custom Tunes paired with the SCT X4 Programmer. From the factory, your trucks computer is built for the massesnot performance enthusiasts. Our custom calibrations unleash hidden horsepower and torque, improve throttle response, sharpen shift points, and make your truck stronger and more enjoyable to drive.
Why Choose 5 Star Tuning?
We are industry leaders in custom tuning for Ford and GM trucks, SUVs, cars, and motorhomes. Instead of generic, one-size-fits-all tunes, 5 Star creates calibrations tailored to your exact Silverado or Sierra and your performance goals. Whether youre looking for more towing muscle, smoother drivability, or extra power for future mods, our tunes are designed to deliverwithout sacrificing reliability.
Proven on Dyno and Street
Every 5 Star tune is dyno-tested, refined, and validated on the road and under load. From daily driving to towing, our engineers log millions of test miles on their own vehicles to ensure safe, consistent, and real-world performance.
Free Tunes for Life
With our Tunes for Life program, any time you add performance modssuch as intakes, exhausts, or gearingwell update your tunes at no charge. Youll always get maximum performance from your Silverado or Sierra for as long as you own it.
Performance Benefits
- Gain horsepower & torque throughout the RPM range
- Sharper throttle response with no lag
- Cleaner, firmer transmission shifts
- Improved towing confidence and load handling
- Increased efficiency under light driving
- Option to adjust or remove the factory speed limiter
How We Unlock Power
Our engineers refine critical parameters including fuel mapping, ignition timing, throttle response, torque management, and transmission shift strategies. The result is a Silverado or Sierra that feels smoother, quicker, and more capable in every driving situation.
SCT X4 Device Features
- Stores up to 10 custom 5 Star tunes
- Full-color, easy-to-use display with simple navigation
- Reads & clears diagnostic trouble codes (DTCs)
- Live data monitoring (RPM, temps, speed, etc.)
- Datalogging for fine-tuning with future mods
- Saves your stock tune for quick return to factory settings
Simple Installation
The SCT X4 installs in 510 minutes with no tools required. Plug it into your OBD-II port, select your tune, and follow the on-screen prompts. Its that easy.
Custom Tuning Process
- Order your SCT X4 device and provide your Silverado or Sierras details at checkout.
- Use the X4 to read your ECU strategy code and email it to 5 Star Tuning.
- Well build your custom tunes and send them via secure Google Drive link.
- Load the tunes to your X4, connect to your OBD-II port, and flash your vehicle.
Important Notes
- SCT software is Windows-compatible only. For other OS, we recommend Wi-Fi capable BDX device.
- By ordering, you assume responsibility for compliance with local emissions and safety laws.
Fitment:
- 2007 Chevy Silverado 1500 4.8L
- 2008 Chevy Silverado 1500 4.8L
- 2009 Chevy Silverado 1500 4.8L
- 2010 Chevy Silverado 1500 4.8L
- 2011 Chevy Silverado 1500 4.8L
- 2012 Chevy Silverado 1500 4.8L
- 2013 Chevy Silverado 1500 4.8L
- 2007 GMC Sierra 1500 4.8L
- 2008 GMC Sierra 1500 4.8L
- 2009 GMC Sierra 1500 4.8L
- 2010 GMC Sierra 1500 4.8L
- 2011 GMC Sierra 1500 4.8L
- 2012 GMC Sierra 1500 4.8L
- 2013 GMC Sierra 1500 4.8L
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