The #1 Spot for Mainline ProHub Dyno Testing & ECU Tuning in Corona, CA

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Performance Services

Explore our range of services designed to help you move forward with confidence, wherever you're headed next.

Mainline Dyno Testing

Professional horsepower and torque testing using our industry-leading Mainline ProHub dyno system capable of measuring up to 3200 horsepower.

Starting at $350

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ECU Tuning

Custom calibration for factory and standalone ECU systems using HP Tuners, Holley EFI, FuelTech, Haltech, MoTeC, and more.

Starting at $800

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Performance Diagnostics

Advanced troubleshooting and diagnostics for tuned factory ECU and standalone ECU vehicles.

Starting at $285/hour

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Group Dyno Events

Host your next car club, shop, or community Dyno Day at DEFI Motorsports.

Starting at $2,000

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Dyno Rental

Lease our Mainline ProHub dyno facility for private tuning sessions, testing, content production, or shop use.

Starting at $999

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Why Drivers Choose DEFI Motorsports

  • Reliable dyno data and calibration built for real-world performance.

  • Street cars, race builds, off-road vehicles, trucks, UTVs, and custom applications.

  • From single dyno pulls to long-term tuning partnerships and remote revisions.

  • Conveniently located in Corona, California serving Los Angeles, Orange County, Riverside, San Bernardino, San Diego, and beyond.

  • "Their attention to detail and commitment" to quality truly stood out. We’ve already recommended them to others."

    —Former Customer

  • "These guys are reliable, and genuinely passionate about what they do."

    —Former Customer

  • "A professional team of tuners that delivers on their promises."

    —Former Customer

  • "Every detail was thoughtfully executed. We're thrilled with the outcome."

    —Former Customer

Explore the DEFI Global Tuning Network

Connect with trusted tuning partners, calibration specialists, and performance resources worldwide.

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Questions Before Booking?

Need help selecting the right dyno service, tuning pathway, diagnostics session, or booking option? Our team is here to help.

DEFI Motorsports: 160 Vander St Suite D
Corona, California 92878

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Book dyno testing, ECU tuning, diagnostics, dyno rental, or group dyno events directly through DEFI Motorsports. Choose your service, select your preferred date, and complete your booking online.

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