Diesel Performance

Boost Power & Efficiency

Performance Upgrades

At Poor Boys Diesel, we specialize in performance tuning and upgrades to help your truck perform at its best. With over 10 years of experience, we offer CARB-compliant tuning, transmission tuning, upgraded turbos, air intake systems, and more to optimize power, fuel efficiency, and towing capability. Whether you're looking for better mileage, improved towing performance, or serious horsepower gains, we have real-world-tested solutions to get the job done.

We Stand Behind Our Work

Backed By Our 2 Year /24,000 Mile Warranty

Custom Performance Solutions for Your Truck

Every truck and driver has different needs, which is why we custom-tailor performance upgrades based on your driving style, towing requirements, and long-term goals. Whether you tow often, plan on hitting the track, or just looking for better efficiency, we have the right upgrades to match your build.

CARB-Compliant Tuning: Optimize fuel economy, reduce DEF usage, and increase towing power while remaining street-legal.
Transmission Tuning: Improve shifting patterns, drivability, and overall performance while increasing the longevity of your transmission.
S&B Cold Air Intakes: Increase airflow and filtration, lower intake temperatures, and improve overall efficiency.
Upgraded Air Cooler Kits: Reduce charge air temperatures for lower EGTs, improved performance, and longer component life.
Upgraded Turbos: We install Fleece Performance upgraded turbos for better towing capability, lower EGTs, and increased reliability.

Proven Performance for Every Build

At Poor Boys Diesel, we focus on real-world performance, not just numbers on a dyno. Whether you need more power, better fuel economy, or improved reliability for long hauls, we offer expert recommendations, professional installations, and the highest-quality performance parts available.

We know that modifying your truck is an investment, and we’re here to make sure every install is done right the first time. Our "Clean Installs Only" policy means that no detail is overlooked, and every upgrade is installed with care and professionalism—giving you confidence in your truck’s performance for years to come.