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USD 329
Part #: HYP101402

Hypertech 101402 REACT Performance Throttle Optimizer

2007.5-2019 GM 2500/3500 HD | 2005-2019 GM Vehicles (See Applications)
Part #: HYP101402
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Fine-tune the throttle settings of your 2007.5-2019 GM 2500/3500 HD | 2005-2019 GM Vehicles (See Applications) on the fly with the Hypertech 101402 REACT Performance Throttle Optimizer. The React Throttle Optimizer has five different settings that are preprogrammed to enhance the settings of your throttle. The REACT will help you to get superior performance from your throttle. The REACT Custom Tuning Software gives you the ability to adjust the settings for each of the REACT’s modes for the ultimate customization experience. 

The REACT has included safety precautions to guarantee your throttle never reacts differently from what you want. The REACT continuously examines each of the signals sent from the accelerator pedal to the microprocessor. If the REACT locates an error, it will enter a bypass mode that removes its circuitry from the path to the ECU and shows an error signal on the control unit. 

  • Boosts Performance
  • Ultimate Customization of Your Throttle Settings
  • Works With The REACT Custom Tuning Software
2019 1500 Truck (Legacy)
2007-2019 2500/3500 HD Truck
2007-2019 Full Size SUV
2007-2018 Silverado/Sierra
2010-2015 Camaro
2005-2013 Corvette


  • MFG. Number 101402
  • Manufacturer Name Hypertech
  • Shipping Weight 1.00 lb.
  • Shipping Length 8.75 in.
  • Shipping Width 5 in.
  • Shipping Height 3.5 in.
  • Fuel Type Diesel / Gas
  • UPC 759609050304
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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XDP continues to closely monitor the COVID-19 (Coronavirus) outbreak. As an integral part of the automotive supply chain, at this point all call centers and distribution centers remain fully operational to ensure we keep vital service components flowing to vehicles used in transport of goods and emergency response. To ensure the health of our employees, families, and customers, we have made the following procedural changes:

  • UPDATE: Effective 6/1 Customer Service resumes normal business hours of M-F 8:30 – 9:00pm EST.
  • Effective 3/18 we have decided to temporarily close both of our retail stores in NJ and NV.
  • Our technical sales team remains available Mon-Fri 8:30am-9pm and Saturday 10:30am-7pm EST.
  • All employees have been encouraged to follow the CDC's recommendations at home and in the workplace.
The circumstances of this virus are fast moving, as such, we will continue to update you with any further operational adjustments as needed. As always, we value your business and appreciate your patience as we manage this situation together.
Emissions Notice

This product is not legal for sale or street use in California. Certain aftermarket products are subject to governmental emission standards regulated by the California Air Resources Board. In order for these products to be legal on a specific vehicle in California, the part number must receive a CARB Executive Order (EO) number. This number makes the part legal for use only on specific years, makes and models of vehicles. A decal with CARB EO number for these parts must be displayed in the engine bay to satisfy smog inspection requirements.