Hardway Performance Racecar Services

Precision. Power. Performance.

At Hardway Performance, we don’t do basic repairs. We specialize in elite, white-glove, professional-grade racecar services—bringing unparalleled tuning expertise, race-ready fabrication, and cutting-edge technology to the most competitive builds on the track. Whether it's pushing the limits of Cummins performance or dialing in an aftermarket ECU for maximum power, our team ensures flawless execution every step of the way.

Pro-Level Tuning

Our High-Performance Services

Ryan Milliken is the name in diesel tuning. With years of championship-caliber experience, we provide precision ECU calibration for serious race builds—whether diesel or gas-powered. Our tuning expertise ensures maximum power, efficiency, and reliability while staying within the limits of your specific setup.

✔ Custom race tuning for Diesel, and Gas applications
✔ Fine-tuned calibrations for track performance and drag racing
✔ Cutting-edge software and aftermarket ECU expertise

Aftermarket ECU Harness Installs

Seamless wiring integration is critical for race-level performance. We provide expert installation of standalone and aftermarket ECUs, ensuring flawless communication between engine components, sensors, and tuning software.

✔ Full custom harness installations
✔ Expertise in MoTeC, EFI Live, and more
✔ Perfect execution for race-ready reliability

Racecar Plumbing – Fuel, Oil, and Cooling Systems

Precision plumbing is essential for high-performance builds. We specialize in fluid delivery systems designed for peak efficiency and durability under extreme racing conditions.

✔ Custom plumbing solutions for fuel, oil, and cooling systems
✔ High-quality Speedflow fittings and lines
✔ Leak-free, track-ready race plumbing setups

Authorized Speedflow Dealer

Hardway Performance is a direct dealer for Speedflow USA, the premier brand in race-grade AN fittings, hoses, and adapters. If your build requires the best fluid management components, we’ve got you covered with expert recommendations and installation.

  • ✔ Full inventory of Speedflow fittings, hoses, and adapters
  • ✔ Custom fuel, oil, and cooling system solutions
  • ✔ Engineered for extreme racing conditions

(Diesel/Gas/UTV)

In-House Chassis Dyno Tuning

We take dyno tuning to the next level with our state-of-the-art chassis dyno, built for gas, diesel, and UTV applications. This means real-world power measurement, fine-tuned performance, and optimized drivability for serious racers.

✔ In-house chassis dyno tuning for all performance applications
✔ Dialing in race setups for peak efficiency
✔ Precision tuning for diesel, gas, and UTVs

Why Choose Hardway Performance?

🏆 Industry-Leading Expertise – Ryan Milliken is the top Cummins tuner in the USA and a pioneer in diesel drag racing.
🔧 Race-Only Focus – We don’t do general repairs—our shop is 100% dedicated to high-performance builds.
⚡ Cutting-Edge Tech – From advanced ECU tuning to custom-built race plumbing, we use only the best.
🛠 Track-Proven Results – Our tuning and fabrication power record-setting racecars across multiple disciplines.