PedalMAX -Throttle Enhancement Device - some 2018-2020 RAM and Jeep Vehicles - PX1920DCX4

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PedalMAX • Eliminate Ecoboost Turbo Lag • Enhance low and mid horsepower • Works on select 2018-2020 RAM & Jeep Vehicles • Plug and Play Installation 

PedalMAX works on select 2018-2020 & Jeep Vehicles 

Eliminate Turbo Lag on Ecoboost & Diesel Vehicles (Improves vehicle acceleration).

Enhance low and mid-range horsepower and torque.

Increase throttle response & make your vehicle easier to drive.

Eliminate stalling when accelerating from a stop on manual vehicles. 

Easy Plug & Play Installation • Installs in less than five minutes.

Optional Remote Adjustment Knob • Use to dial in your exact throttle enhancement setting.

Can also be stacked with a JMS Custom Tune File delivered to the ECU via a SCT handheld.


  • Simple Plug & Play Installation:  Unplug your stock pedal connector and connect JMS PedalMAX.
  • Improves vehicle acceleration.
  • Increases low and mid-range horsepower and torque.
  • Works on select RAM, Chrysler, Dodge & Jeep Vehicles 
  • Gas or Diesel
  • Easy Plug & Play Installation
  • Eliminate Pedal Lag
  • Eliminate Turbo Lag on Diesel and Gas vehicles
  • Ecoboost Vehicles have noticable Turbo Lag, this product solves the problem.
  • Eliminate stalling when acceleration from a stop on manual vehicles.  
  • Green Status LED: Know at a glance what the unit is doing.  
  • Solid Green = powered on
  • Includes Remote Throttle Control Knob: Fine tune your throttle enhancement setting.
  • Designed to be stacked with an SCT Handheld and a JMS Custom Tune File for the ultimate performance
  • Works on the new EcoDiesel

Each PedalMAX Kit Contains: PedalMAX Throttle Enhancer, Plug & Play Wiring Harness, Installation Kit, Set of Instructions

Download the Product Installation Instructions
Download the Product Technical Information Sheet
Download the JMS Product Catalog

 PedalMAX version PX1920DCX4 supports the following vehicles:

  • 2019-2020 RAM Truck 
  • 2018-2020 Jeep Wrangler JL