Frequently Asked Questions

General Questions

Where is DEFI Motorsports located?

DEFI Motorsports is located in Corona, California, serving performance enthusiasts, tuners, builders, shops, and motorsports customers throughout Southern California and beyond.

What types of vehicles can DEFI Motorsports work with?

We support a wide range of performance applications including:

Street builds
Race vehicles
Domestic performance platforms
Import vehicles
Off-road builds
Trucks and SUVs
UTVs and custom applications

Our Mainline ProHub dyno supports both two-wheel-drive and all-wheel-drive configurations.

Do I need an appointment?

Yes. All dyno testing, ECU tuning, diagnostics, dyno rental sessions, and group dyno events require a scheduled appointment through our integrated online booking system.

Walk-ins are not guaranteed and availability may be limited depending on the service requested.

How do I book a service?

All bookings are handled through the DEFI Motorsports online booking system powered by Peek Pro.

Customers can:

Select a service
Choose an available date and time
Add required hardware or upgrades when applicable
Complete payment securely online
Receive appointment confirmation automatically

Our booking system is designed to simplify scheduling, reduce conflicts, and streamline the customer experience.

Do I leave the website to book?

No. DEFI Motorsports utilizes an embedded booking experience that allows customers to schedule services directly through our website.

The booking system is powered by Peek Pro and integrated into the DEFI Motorsports website experience.

How do payments work?

Payments are processed securely through our booking and payment systems during checkout.

Depending on the service selected, customers may be required to:

Pay in full during booking
Pay a deposit to secure an appointment
Purchase required tuning hardware or licensing credits
Approve additional service charges when applicable

Invoices, confirmations, and booking communications may also be delivered digitally through our integrated systems.

What payment methods do you accept?

DEFI Motorsports accepts major payment methods including:

Visa
Mastercard
American Express
Discover
Debit Cards

Additional payment methods may become available depending on the booking or checkout platform being used.

Is a credit or debit card required to book?

Yes. A valid credit or debit card is typically required to schedule services, reserve dyno time, or complete online purchases.

Will I receive booking confirmations and reminders?

Yes. Customers may receive:

Booking confirmations
Appointment reminders
Invoices
Service updates
Rescheduling notifications
Follow-up communications

through email and/or SMS messaging depending on the information provided during booking.

Can I reschedule my appointment?

Yes. Rescheduling requests may be accommodated depending on scheduling availability and the service booked.

Certain cancellations or rescheduling requests may be subject to administrative fees or account credits based on DEFI Motorsports booking policies.

Mainline Dyno Testing

What is a dyno test?

A dyno (dynamometer) test measures horsepower, torque, drivability, boost, fueling, and vehicle performance under controlled load conditions. Dyno testing provides real-world performance data and helps identify performance limitations or mechanical concerns.

What dyno system does DEFI Motorsports use?

DEFI Motorsports utilizes a Mainline ProHub dyno system capable of supporting high-horsepower street, race, off-road, and custom performance applications.

How long does a dyno session take?

Most standard dyno testing sessions take approximately one hour, although timing may vary depending on the vehicle setup, modifications, diagnostics needs, or additional tuning requirements.

How much does dyno testing cost?

Mainline dyno testing starts at $350. Additional dyno time, diagnostics, or advanced testing requirements may increase pricing depending on the vehicle and requested services.

ECU Tuning

What is ECU tuning?

ECU (Engine Control Unit) tuning modifies and calibrates vehicle software to improve horsepower, torque, drivability, boost control, fueling, throttle response, and overall vehicle performance.

Do I need a dyno test before tuning?

In most cases, yes. Baseline dyno testing helps establish accurate vehicle data before calibration changes are made.

What tuning platforms do you support?

DEFI Motorsports supports a variety of tuning systems and calibration platforms including:

HP Tuners
Holley EFI
FuelTech
Haltech
MoTeC
Standalone ECU systems
Additional custom calibration platforms depending on the build

Do I need tuning hardware or licensing credits?

Some vehicles and tuning platforms require additional hardware, RTD devices, ECU access tools, or licensing credits depending on the application and service selected.

These required items may be added directly during the booking process when applicable.

Does DEFI Motorsports offer remote tuning?

Yes. Certain applications may qualify for remote tuning support, calibration revisions, and data log review services depending on the vehicle platform and hardware configuration.

Performance Diagnostics

What is Performance Diagnostics?

Performance Diagnostics helps identify drivability issues, fueling problems, boost inconsistencies, sensor faults, startup concerns, calibration issues, or other vehicle performance irregularities.

How are diagnostics billed?

Diagnostics services are typically billed hourly, starting at $285 per hour depending on the vehicle platform and complexity of troubleshooting required.

Dyno Rental

Can I lease the Mainline dyno for my own customers or projects?

Yes. DEFI Motorsports offers in-house dyno rental for qualified tuners, performance shops, builders, and automotive professionals.

Can the dyno be transported off-site?

No. All dyno rental sessions are conducted on-site at DEFI Motorsports in Corona, California.

How much does dyno rental cost?

Dyno rental pricing starts at $999. Pricing may vary depending on rental duration, support requirements, and scheduling needs.

Group Dyno Events

What is a Group Dyno Event?

Group Dyno Events allow clubs, teams, shops, brands, and automotive communities to bring multiple vehicles together for dyno testing, performance comparisons, media content, and community engagement.

How much does a Group Dyno Event cost?

Group Dyno Event pricing starts at $2,000 and may vary depending on the number of vehicles, event duration, staffing, scheduling, and event support needs.

Can I host a private or branded event?

Yes. DEFI Motorsports supports private events, sponsor activations, branded content opportunities, club events, and automotive community gatherings.

Products & Shipping

Does DEFI Motorsports sell performance products?

Yes. DEFI Motorsports offers select performance products, tuning hardware, accessories, transport equipment, motorsports merchandise, and related automotive products.

Do you ship products nationwide?

Certain products may be available for nationwide shipping throughout the United States. Some products, fuels, fluids, tuning devices, or regulated items may be restricted based on shipping regulations or local laws.

Can I pick up products locally?

Yes. Certain products may be available for local pickup at our Corona, California facility.

Contact & Support

How do I contact DEFI Motorsports?

You can contact DEFI Motorsports through our website contact forms, booking system, email, or phone number listed on our Contact page.

How can I stay updated on DEFI Motorsports events and services?

Follow DEFI Motorsports on social media and subscribe to our newsletter for updates on:

Dyno events
New services
Product releases
Tuning insights
Motorsports content
Global tuning network updates