2015-2019
2007-2014
2001-2006
Installation Time
(approx) 30 Minutes
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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JMS PedalMAX Drive By Wire Throttle Enhancement Device (20-25 Sierra 3500 HD)Find parts that fit my vehicle
Item SHG23952
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M-F 8:30A-11P, Sat-Sun 8:30A-9P
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107 Reviews
Our Price
$289.75
Ship to: 43215
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features
- Drive-By-Wire Throttle Enhancement Device
- Boosts Acceleration for a Sportier Feel
- Reduces Turbo Lag and Eliminates Stalling
- Remote Adjustment Knob Included
- Sturdy Waterproof Construction
- Plug and Play Installation
- Limited Lifetime Warranty
- Fits All 2020-2025 GMC Sierra 3500 HD Models
Description
Boost Your Pedal Feel. Improve your Sierra’s accelerator pedal feel when you install the JMS PedalMAX Drive By Wire Throttle Enhancement Device. This throttle control device fixes the issue with modern-day drive by wire accelerators, namely the lag between stepping on the pedal and acceleration. This device achieves this by modifying the signal that comes from your accelerator’s drive by wire system to your throttle. The result is faster acceleration and a sportier feel.
Complete Throttle Control. This throttle enhancement device also includes a remote adjustment knob that enables you to change your throttle settings. This allows you to get the best throttle feel for your driving needs.
Sturdy and Waterproof. This throttle device features an enclosure precision-molded from sturdy automotive-grade plastic. This enclosure is then fully sealed against moisture. These 2 factors come together to deliver reliable all-weather performance for many miles of driving adventure.
Plug-And-Play Install. This drive-by wire throttle enhancement device includes a wiring harness that features factory style connectors, making installation an easy plug-and-play procedure. Additionally, this device installs between the pedal position sensor and your Sierra's factory wiring harness without the need for any modifications.
Comes a Limited Lifetime Warranty. This PedalMAX throttle enhancement device comes with a limited lifetime warranty covering factory defects. Please visit the manufacturer’s website for more details.
Application. The JMS PedalMAX Drive By Wire Throttle Enhancement Device fits all 2020-2025 GMC Sierra 3500 HD models
Fitment:
- 2020 GMC Sierra 3500
- 2021 GMC Sierra 3500
- 2022 GMC Sierra 3500
- 2023 GMC Sierra 3500
- 2024 GMC Sierra 3500
- 2025 GMC Sierra 3500
JMS PX1920GMT
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Throttle Enhancement Device
- (1) Wire Harness
- (1) Control Knob
- (4) Cable ties
4.8
Customer Reviews (107)
Feb 26, 2025
Review shared from JMS PedalMAX Drive By Wire Throttle Enhancement Device (19-24 RAM 1500, Excluding EcoDiesel)
2023 -
Installation Time: Less than 1 Hour
Jms pedal max
this is nice product and affordable,it's easy to install and lots of fun once you push the pedal.It's response quickly,so i like it
Performance Gain 5/5
Bang For Your Buck 0/5
Feb 17, 2025
Review shared from JMS PedalMAX Drive By Wire Throttle Enhancement Device (07-18 RAM 1500)
2013 Outdoorsman - GlenVB
Installation Time: Less than 1 Hour
Great product
Immediately noticed a change in acceleration. Much better than the originial system. Worth the money
Performance Gain 5/5
Bang For Your Buck 5/5
Jan 19, 2025
Review shared from JMS PedalMAX Drive By Wire Throttle Enhancement Device (04-08 F-150)
2004 - Mprez
Installation Time: Less than 1 Hour
04 F150 flareside 4.6 L 4x4
Jms petal max is a great upgrade . Goodbye granny truck. Now I can spin 32.4 tires. Definitely made a giant improvement, Instant throttle response. I personally love Having a dial. It gives you the option of adjusting your throttle body as you drive down the road.0-100%. Definitely put a smile on my face. You won't be disappointed.
Performance Gain 5/5
Bang For Your Buck 5/5
Nov 7, 2024
Review shared from JMS PedalMAX Drive By Wire Throttle Enhancement Device (04-08 F-150)
2006 FX4 - Dominater92
Installation Time: Less than 1 Hour
Just what it needed
Simple easy install, plug and play! Bought it to help mpg mostly as I do all kinds of traveling and it helped with pulling the camper around the mountains on my test run! Excited to see how it performs on long journey's
Performance Gain 5/5
Bang For Your Buck 4/5
Oct 7, 2024
Review shared from JMS PedalMAX Drive By Wire Throttle Enhancement Device (19-24 RAM 1500, Excluding EcoDiesel)
2021 Big Horn - OGR
Installation Time: Less than 1 Hour
Great!
It's honestly worth the money! If you want a faster pick up with nothing to complicated this is what you need. I just recently installed a Vance & Hines exhaust system to my 2021 Ram 1500 Bighorn and it made it 10x better! I installed the exhaust system first and it was alright, the next day I installed the throttle enhancement and it just made a great combo, so fun to drive and you can definitely feel the difference. I highly recommend it & it's a fast and easy install, took like 15 min to install.
Performance Gain 5/5
Bang For Your Buck 5/5
Aug 27, 2024
Review shared from JMS PedalMAX Drive By Wire Throttle Enhancement Device (19-24 RAM 1500, Excluding EcoDiesel)
2021 Big Horn - Greg2929
Installation Time: Less than 1 Hour
Awesome purchase
Easy to install and an absolute blast to drive with. This really unleashes the hemi’s full ability.
Bang For Your Buck 5/5
Performance Gain 5/5
Jul 21, 2024
Review shared from JMS PedalMAX Drive By Wire Throttle Enhancement Device (09-25 F-150)
2018 XLT - wuqrcnpoqwcrtnp
Installation Time: Less than 1 Hour
2018 f150
Works as advertised. Very happy with purchase. Easy install.
Performance Gain 4/5
Bang For Your Buck 4/5
Jul 17, 2024
Review shared from JMS PedalMAX Drive By Wire Throttle Enhancement Device (19-25 Silverado 1500)
2022 RST - 1JeffSilverado
Installation Time: Less than 1 Hour
Yes, Buy it already!
I just happened to stumble upon this JMS PedalMax for my 22' silverado 5.3 and it does exactly what it is described to do. instant throttle response. does not add H.P. or torque but it does unleash the power the engine already has. just buy it, You won't be disappointed.
Performance Gain 5/5
Bang For Your Buck 5/5
Jul 15, 2024
Review shared from JMS PedalMAX Drive By Wire Throttle Enhancement Device (09-25 F-150)
2010 Lariat - Bando69
Installation Time: Less than 1 Hour
Major difference
I bought this to get rid of the lag behind the pedal and even at 25% there’s a major difference. 100% it wants to get up and run just barely a pressure on the pedal. Very satisfied with the performance of this but not the gas mileage I get when I use it lol
Performance Gain 5/5
Bang For Your Buck 5/5
May 19, 2024
Review shared from JMS PedalMAX Drive By Wire Throttle Enhancement Device (04-08 F-150)
2007 King Ranch - Ford07
Installation Time: Less than 1 Hour
Awesome!
Recently purchased this for my 2007 f150 king ranch with 69,000 miles. Acceleration on my truck did a complete 180! Before it wouldn’t pull a greasy string out of a cat’s rear. Just at 35-40 on the dial is a 100% improvement, at 100% is even more fun. If you’re looking for a quick fix, this will do the trick. Well worth the price!!!
Performance Gain 5/5
Bang For Your Buck 5/5
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