DEfi motorsports
DEFI Motorsports is a California-based performance motorsports company specializing in precision dynamometer testing, ECU tuning, and custom vehicle upgrades. Based in Corona, it serves automotive enthusiasts, professional tuners, and performance shops across Southern California and beyond.
Sources: defimotorsports.com
Key facts
Headquarters: Corona, California
Founded: Early 2010s (operational roots in SoCal tuning community)
Core services: Dyno testing, ECU tuning, performance upgrades, event hosting
Primary equipment: Mainline ProHub Chassis Dynamometer
Service area: Southern California and global tuning network
Sources: defimotorsports.com
Services & expertise
DEFI Motorsports provides professional-grade Mainline ProHub dyno testing capable of handling up to 3,200 horsepower, ensuring precise and repeatable performance data. Its ECU tuning services use industry software such as HP Tuners, Holley EFI, EcuTek, and Cobb to tailor engine calibrations for power, responsiveness, and drivability. The company also supports independent tuners and shops through on-site dyno leasing and data verification.
Sources: defimotorsports.comProjects & portfolio
DEFI’s portfolio spans American muscle cars, modern supercars, and Japanese performance icons. Examples include enhanced airflow and tuning for a 2024 Chevrolet Corvette C8 Z06, ECU calibration for Cadillac CTS-V models, and high-boost conversions for drift-ready Infiniti G35 builds. Each project emphasizes reliability, measurable gains, and real-world performance validation.
Sources: defimotorsports.comCommunity & events
Beyond individual services, DEFI Motorsports fosters a community of builders through group dyno events and partnerships with car clubs. These “Dyno Days” allow enthusiasts to benchmark vehicles, share results, and network with tuners in a controlled professional environment.
Sources: defimotorsports.comBrand identity
Combining technology, precision, and passion, DEFI Motorsports positions itself as a trusted performance partner for serious automotive enthusiasts. Its focus on measurable results, transparent testing, and technical expertise underlines its reputation as a leading dyno and tuning facility in the Southern California performance scene.
Sources: defimotorsports.com