Duramax L5P Performance Module 2017-2022

This module is built to increase HP, torque, and improve fuel mileage for the L5P engines!  You don’t have to settle for the performance of your L5P engine straight from the factory. Dr. Performance built and designed this module to give you more working power (where you need it!) without endangering your engine or voiding your warranty! Shop with us today and see what your Chevy or GMC truck is capable of!

• This module can add up to 90 horsepower.
• You can see up to a 25 percent increase in rear-wheel torque.
• Save money on fuel with an increase of fuel economy.
• Dr. Performance modules will never leave a fingerprint on your ECU!

• The Dr. PerformanceRx module gives you power in the RPM range that you drive in most often.
• No increase in exhaust gas temperatures.
• Reduced cylinder wash.
• Increased engine life.
• Better towing fuel economy. 

 Click Here to get INSTALL instructions

• Do Dr. Performance Modules Come with a Warranty?

All Dr. Performance Modules come with a 30 Day Money Back Guarantee. As well as a limited lifetime warranty*

• How does Dr. Performance measure their Horsepower and Torque Statistics? 
  
  Unlike our competitors, who measure performance at the flywheel, Dr. Performance measures performance directly at the rear wheels where power on the road is easily noticed.
  
  
• Will it damage my transmission?
  No. Dr Performance Series Modules will actually give you a smoother and cleaner running powertrain, and in many cases will improve transmission performance. Finally, Dr. Performance Modules will not over-ride safety parameters. 
  
  
• Can my Dr. Performance Module be reprogrammed with future modifications?
  
  Yes Our engineers keep discovering new and exciting ways to unleash even more power and torque for stock and modified trucks.