• Improve throttle response and acceleration
  • Unplugging the knob saves throttle settings
  • Match throttle response to your exact terrain
  • High quality OEM-style connectors
  • Faster downshifts
  • Eliminate turbo lag
  • Made in the USA
  • Lifetime warranty


Designed for the Off-road market, the PedalMAX® Terrain can increase or decrease the throttle sensitivity to match any driving conditions on-the-fly! Quick and easy installation, this plug and play product utilizes a control knob to "save" your throttle setting into the unit. Units are fully waterproof and made with high-quality ruggedized components.

Brand: JMS
UPC: 021201236289

  • 2019-2021 Dodge Ram 1500
  • 2018-2021 Jeep Wrangler JL
  • 2017-2020 Chrysler Pacifica
  • 2019-2020 Jeep Cherokee
  • 2020 Jeep Gladiator



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