Cummins Diesel Engine
ECM Tuning, Manifolds, Performance Twins
from Performance Diesel Inc.

2018 Cummins X15
​ECM Tuning 

Cummins X15 diesel engine ECM Tuning is Available Now! - Call Now for the finest quality diesel engine BIG BOSS® Performance Products, industry-leading Customer Service and product warranties second to none with Performance Diesel Inc. Unlock your 2018 Cummins X15 diesel engine's horsepower, fuel-efficiency and torque with BIG BOSS® ECM Tuning from Performance Diesel Inc.  

Call PDI at 800-511-1231
and speak with the PDI Sales Team for details.

2018 Cummins X15
​Performance Twins 

Check out the BIG BOSS® Performance Twins on the 2018 Peterbilt with the Cummins X15!  The Performance Diesel Inc.'s BIG BOSS® Performance Twins incorporate the use of the factory VGT turbo providing you with cooler intake and exhaust temperatures and overall better efficiency, all while utilizing your engine’s factory components. Coupled with our industry leading tuning, the Performance Twins provide the increased horsepower and torque you need! The use of the factory turbo allows you to keep the engine braking at its peak. Performance Diesel’s BIG BOSS® Performance Twins are available now and include Performance Diesel’s top-notch customer service.
​ECM Tuning

Performance Diesel Inc.'s BIG BOSS® Cummins ECM Tuning  gives you the horsepower, fuel-efficiency and torque needed for various applications.  PDI ECM Tunes are customized and developed for your Cummins engine and dyno-proven for reliability and performance.

Increase horsepower, Increase fuel savings, Increase torque, with Performance Diesel Inc. BIG BOSS ECM Tuning for Cummins diesel engines. 

Heavy-Duty Diesel ECM Tuning starting at $2,150 with proven performance and efficiency gains along with PDI's leading Customer Service and warranties.  Call for details!
Performance Diesel Inc. ECM Tuning, Exhaust and Intake Manifolds are more are available for Cummins ISB, Cummins ISC, Cummins ISL, Cummins ISM, Cummins ISX, Cummins 11.9, Cummins ISX 12, and Cummins X15 diesel engines.  Contact PDI today to optimize your Cummins diesel engine power and performance.
Why Performance Diesel?

  1. PDI’s BIG BOSS® Performance Products will increase your diesel engine mileage, horsepower and torque.  Our R&D Team extensively tests PDI's products in real world conditions, and on our dynomometer to assure you receive maximum performance with the finest quality diesel engine products and services.  All Performance Diesel products are proudly Made in the USA!

  2. PDI's BIG BOSS® Performance Products are backed with industry-leading warranties up to 3 years.  Performance Diesel's 10 bay shop, trained technicians, sales team, and staff of 30 employees makes PDI one of the largest, most experienced diesel performance products companies worldwide.