SUPERCHIP 99-06 Gm Cars, 99-07 Gm Gas Trucks, 01-07.5 Gm Diesel Trucks Super Chips Cortex - Want more power and better drivability for your Cadlillac CTS-V, Corvette, Camaro, GTO, Trans Am, Gas or Duramax Diesel Powerd SUV or Pickup? Check out the Cortex - from the #1 selling programming manufacturer on the market today. Cortex is the only programmer on the market that comes with an industry exclusive two-year vehicle powertrain warranty.

Up to three best-in-class tuning levels -Industry-Exclusive 2-year powertrain warranty comes with every product at no additional cost -Elegant, sleek, innovative design -Diagnostic Library retrieves, displays and clears DTC's -Log performance times & speeds, displays & stores PID data -Supports wheel, tire and gear swaps -Easy to install, Internet updateable - One part number for each OEM-Available Data Acquisition at Superchips.com -Adjust Shift Points -Enhance Shift Firmness- Eliminate Speed Limiter -Recalibrate Speedometer for Larger Tire Sizes - Adjust RPM Limiter - Choose from up to Three Available Tuning Levels