GMC Sierra 6.6L 2001-2003, Digital DSP-5 Switch by GDP Tuning®. GDP Tuning's Digital DSP-5 switch allows you to easily change your EFILive DSP-5 tune at the push of a button. Large 1" LED numerical display clearly shows what tune you are in, even at a quick glance. The LED display is available in red, green, blue and white to suit your personal preference, or to match your existing interior backlighting.
- Digital Display
- Multiple Color Options
- Works with EFI Live Custom Tuning
GDP Tuning® is a well-respected manufacturer of high-quality truck performance tuners in the automotive industry. To meet your desired horsepower gains and give you control of your vehicle's most critical settings and functions, GDP Tuning offers a wide range of cutting-edge tuners, switches, and EGR delete kits. Whether you choose Powerstroke, Duramax or Cummins products, the tuners are sure to give your truck greater horsepower and torque. So, be prepared for outrageous performance since GDP Tuning products will unleash what is locked inside of your truck.