5 Star Custom Tunes w/ SCT X4 Device (20092013 Silverado / Sierra 6.2L)
Take your GM trucks performance to the next level with the 5 Star Custom Tunes and SCT X4 Device. Factory programming is built for the average driver, which means hidden horsepower, torque, and throttle response go unused. With 5 Stars proven calibrations, your PCM is optimized for maximum performance, stronger towing power, and improved drivability.
Why Tune Your Silverado or Sierra?
Stock calibrations restrict your trucks capabilities. Our custom tunes unlock:
- Significant gains in horsepower & torque
- Sharper throttle response
- Smoother, more consistent shifting
- Improved fuel efficiency
- Better towing performance and drivability
Why Choose 5 Star Tuning?
5 Star is a leader in Ford and GM performance tuning. Each tune is custom-tailored to your truck, whether you want more torque for towing, stronger acceleration, or smoother daily driving. Reliability always comes first while delivering power you can feel.
Dyno & Street Proven
Our calibrations arent theorytheyre dyno-developed and road-tested across more than one million test miles on our own vehicles. Real testing equals real results you can trust.
Free Tunes for Life
With the Tunes for Life program, you get free tune updates as long as you own your truck. Add new modifications, and well update your custom tunes at no cost to keep your Silverado or Sierra performing at its peak.
Performance Benefits Youll Notice
- More horsepower & torque across the RPM range
- Elimination of the factory speed limiter
- Smoother, firmer shifts
- Improved throttle response
- Better fuel economy under normal driving
- Enhanced towing capability
How We Maximize Performance
Our custom tunes adjust and refine critical systems, including:
- Fuel tables
- Drive-by-wire calibration
- Ignition timing
- Torque converter control
- Shift strategies & transmission pressures
SCT X4 Device Features
The SCT X4 handheld tuner delivers both performance and versatility. With it, you can:
- Store up to 10 custom 5 Star tunes
- Monitor live engine data such as RPM, coolant temp, and speed
- Datalog for future performance refinement
- Return your vehicle to stock at any time
Easy Installation
- Order your SCT X4 with your trucks details.
- Plug into your OBD-II port and retrieve your ECU strategy code.
- Email your code(s) to 5 Star Tuning.
- Receive your tunes, load them onto the X4, and install in minutes.
The process takes just 510 minutes, requires no tools, and can be completed by anyone.
Support & Compatibility
For assistance, call 1-855-827-7223 or email sales@beefcakeracing.com.
Note: SCT software works with Microsoft Windows. For non-Windows users, the Wi-Fienabled SCT BDX is recommended for custom tuning.
Legal Notice
By purchasing this tuner or tune, you accept full responsibility for compliance with all emissions, safety, and legal regulations. 5 Star Tuning and Beefcake Racing are not liable for any violations resulting from use of this product.
Fitment:
- 2009 Chevrolet Silverado 6.2L
- 2010 Chevrolet Silverado 6.2L
- 2011 Chevrolet Silverado 6.2L
- 2012 Chevrolet Silverado 6.2L
- 2013 Chevrolet Silverado 6.2L
- 2009 GMC Sierra 6.2L
- 2010 GMC Sierra 6.2L
- 2011 GMC Sierra 6.2L
- 2012 GMC Sierra 6.2L
- 2013 GMC Sierra 6.2L
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

