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At DEFI, we deliver precision dyno testing, ECU tuning, and performance calibration with industry-leading Mainline ProHub dynos. Whether you’re validating upgrades, renting a dyno, or hosting a full Dyno Day, our team provides the accuracy, power, and results serious builders and enthusiasts demand.

Mainline ProHub dyno measures up to 3200 horsepower…
Price starts at $350

Custom ECU calibration using Holley EFI, HP Tuners, and more…
Price starts at $800

Bring your car, truck, or ATV to our facility and rent our ProHub Dyno…
Prices starts at $999

Gather your crew, club, or team for a Dyno Day event — up to 10 cars…
Prices starts at $2,000

Discover DEFI Motorsports’ Global Tuning Network of ECU calibration partners worldwide. Access trusted tuners, tools, and mapping support for your build.
We combine cutting-edge technology with proven expertise to deliver results that performance enthusiasts can trust. We are DEFI.
Whether you’re an individual enthusiast, a performance shop, or part of a car club, DEFI is your partner for testing, tuning, and hosting dyno events.
With over 10 years of hands-on experience operating Mainline Pro Hub dynamometers, we deliver horsepower and torque data you can rely on.
Based in Corona, CA, we proudly work with customers from Los Angeles, Orange County, Riverside, San Bernardino, San Diego, and beyond.
From baseline dyno pulls to advanced ECU calibration, our services are designed to maximize performance without compromising drivability.
Mainline Dyno Testing, ECU Tuning, or Plan a Group Dyno Event, or Lease a Dyno machine at DEFI Motorsports in Corona, CA. Pick your service, select preferred dates, and pay online — we’ll confirm your slot.