2009 GMC ENVOY Jet Performance

JET Accu-Speed Control Units will correct your speedometer to within 1% accuracy, which comes in handy when you are changing your computer controlled vehicle's tire sizes or gear ratios which messes up your ABS, and your automatic transmission. To correct the problem, simply install your control unit in line with your computer and recalibrate! Free shipping to all of USA!

Key Features:

• Jet Accu-Speed Speedometer Calibrator

JET Stage 2 Computer Chips/Modules will unleash the true high-performance potential of your vehicle's engine and completely remove the dull factory settings! The modules will work to truly optimize your air/fuel ratio, spark timing, transmission tuning and a variety of other parameters for maximized horsepower and torque! They are available in 2 different styles : Stage 1 is designed to work with original stock engines, while Stage 2 is designed to work with modified motors with performance air intakes, headers or exhaust systems already installed. The modules are 50-state legal and are backed by a Lifetime Warranty. Free shipping to all of USA!

Key Features:

• Jet Power Control Module Stage 2
• 50 State Legal
• Requires Use Of 91 Octane Fuel/180 Degree Thermostat/Free Flow Exhaust

JET Stage 1 Computer Chips/Modules will unleash the true high-performance potential of your vehicle's engine and completely remove the dull factory settings! The modules will work to truly optimize your air/fuel ratio, spark timing, transmission tuning and a variety of other parameters for maximized horsepower and torque! They are available in 2 different styles : Stage 1 is designed to work with original stock engines, while Stage 2 is designed to work with modified motors with performance air intakes, headers or exhaust systems already installed. The modules are 50-state legal and are backed by a Lifetime Warranty. Free shipping to all of USA!

Key Features:

• Jet Power Control Module Stage 1
• 50 State Legal

JET Stage 2 Computer Chips/Modules will unleash the true high-performance potential of your vehicle's engine and completely remove the dull factory settings! The modules will work to truly optimize your air/fuel ratio, spark timing, transmission tuning and a variety of other parameters for maximized horsepower and torque! They are available in 2 different styles : Stage 1 is designed to work with original stock engines, while Stage 2 is designed to work with modified motors with performance air intakes, headers or exhaust systems already installed. The modules are 50-state legal and are backed by a Lifetime Warranty. Free shipping to all of USA!

Key Features:

• Plug N Play Jet Performance Module Stage 2
• Requires Use Of 91 Octane Fuel/180 Degree Thermostat/Free Flow Exhaust

JET Stage 1 Computer Chips/Modules will unleash the true high-performance potential of your vehicle's engine and completely remove the dull factory settings! The modules will work to truly optimize your air/fuel ratio, spark timing, transmission tuning and a variety of other parameters for maximized horsepower and torque! They are available in 2 different styles : Stage 1 is designed to work with original stock engines, while Stage 2 is designed to work with modified motors with performance air intakes, headers or exhaust systems already installed. The modules are 50-state legal and are backed by a Lifetime Warranty. Free shipping to all of USA!

Key Features:

• Plug N Play Jet Performance Module Stage 1

JET Dynamic Spectrum Tuners are specially designed for performance enthusiasts who appreciate complete control of a vehicle's programming, and will give all the tools necessary for precise ECU performance tuning through a PC or laptop. The software allows modifications to every single aspect of your vehicle's programming, including control of the fuel and spark tables, the speed and rev limiters, all transmission functions, torque management tables, and more. Making modifications is easy with the detailed table and graph views. To use the tuners, simply connect one to your vehicle's diagnostic port using the provided interface cable - this will download and save your stock programming to your PC, and allow it to be reloaded to the computer at any time in order to return the ECU to its original state. Free shipping to all of USA!

Key Features:

• Dynamic Spectrum Tuner Jet Performance Programmer