Talk to a Mustang Sales Tech
M-F 8:30A-11P, Sat-Sun 8:30A-9P
$12k Summer Sweepstakes! Enter Daily>

JMS PedalMAX Terrain Drive By Wire Throttle Enhancement Device (11-23 Mustang)

Item 409376
JMS PedalMAX Terrain Drive By Wire Throttle Enhancement Device (11-23 Mustang)
Verify parts fit and get product recommendations.
Mustang Sales Techs: Connect Now M-F 8:30A-11P, Sat-Sun 8:30A-9P
Our Price

$309.00 kit

FREE Shipping Market Price $342.99 You Save 10% ($33.99) Up to 10% off for Military & First Responders! See Details

Will this fit your Vehicle?

Select a different vehicle Help?
Update or Change Vehicle
Ship to: Ashburn - 20149
Sorry, please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    or use

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • Drive-By-Wire Throttle Control Device
      • Eliminates Pedal Lag and Offers Crisp On-Tap Acceleration
      • Enhances Low and Mid-Range Horsepower, Torque, and Acceleration
      • Rugged and Weatherproof Design
      • With a Red De-Sensitizing Plug to Adjust Throttle Setting
      • Includes a Remote Adjustment Knob
      • With LED Diagnostic Lights
      • Plug-and-Play Installation
      • Backed by a Limited Lifetime Warranty
      • Designed for All 2011-2023 Mustang


      Enhanced Throttle Response. Experience quicker throttle response and get rid of the dreaded turbo lag on your Mustang by using this PedalMAX Terrain Drive-By-Wire Throttle Enhancement Device. This plug-and-play kit modifies the signal to your electronic throttle to eliminate the more slow response when you hit the pedal.

      Better Performance. With this PedalMAX Terrain Kit installed on your car, you get a more precise throttle response on the track and get better fuel mileage on the road. In addition, if you have an engine with a turbo, this device significantly reduces turbo lag, especially when you need instant power. Furthermore, this device also works best in eliminating stalling when accelerating from a stop in manual-equipped Mustangs.

      Control and Adjustment. This PedalMAX Terrain Drive-By-Wire Throttle Enhancement Device is equipped with a remotely mounted knob for throttle adjustment. This dial know allows you to tune your settings from stock throttle to increased throttle response, faster acceleration and improved low-mid range power. Moreover, the red desensitizing plug also allows you to de-tune the throttle sensitivity.

      High-Quality Construction. Built for long-lasting functionality, this PedalMAX Terrain Drive-By-Wire Throttle Enhancement Kit features a tough construction. It sports a compact and fully sealed enclosure with an IP67+ ingress rating. It is also compatible with most handheld tuning devices for maximum performance. Moreover, the LED diagnostic lights allow for easy monitoring and troubleshooting.

      Simple Installation. This PedalMAX Terrain Throttle Enhancement Device is designed for a plug-and-play installation. It is seamlessly compatible with your vehicle’s system electronics and other performance modifications.

      Lifetime Warranty. JMS backs this PedalMAX Terrain Drive-By-Wire Throttle Enhancement Device with a Limited Lifetime Warranty. This warranty covers manufacturing defects in materials and workmanship under normal and proper use. Please check the terms and conditions for the exclusions and limitations.

      Application. The PedalMAX Terrain Drive-By-Wire Throttle Enhancement Device is intended for use on all 2011-2023 Mustang.


      JMS RC1114F

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) PedalMAX Terrain Throttle Enhancer
      • (1) Plug-and-Play Wiring Harness
      • (1) Red De-Sensitizing Plug
      • (1) Remote Adjustment Knob
      • (4) Zip Ties

      Customer Reviews (1)

        Brand Image

        Reviews of JMS Tuner products have an average rating of 4.6 out of 5

          Questions & Answers

          10 More Questions