Hypertech 105402 REACT 4X4-GM C

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The REACT offers fully customizable control over your vehicle?s throttle response. The simple control knob allows you to switch between multiple modes and control the throttle inte nsity of each mode on-the-fly. The REACT installs easily and is completely plug-and-play has an automatic setup sequence so no disassembly is required comes with a magnetic A/C vent mount (Pedestal swivel mount also available - Sold separately) and doesn?t void your factory warranty. Plus the REACT is internet updateable. Three (3) versions of the REACT throttle optimizer are available to fit your particular driving needs...Performance Off-Road and Tow. Show more