A man wearing a black uniform and wireless earbuds is working on a red Chevrolet Corvette sports car with its hood open in a garage. The man appears to be pouring fluid into the car, possibly for maintenance or repair. Other vehicles are visible in the background.

Every vehicle tells a different story.

Some customers arrive looking for more horsepower. Others need drivability improvements, troubleshooting, custom calibration, or a complete engine management solution. Whether we're optimizing a factory ECU, tuning a standalone engine management system, validating a new build on our Mainline ProHub dyno, or helping another performance shop complete a project, our goal is always the same—deliver accurate, repeatable, and reliable performance.

Our portfolio represents a variety of street vehicles, race cars, drift cars, muscle cars, engine swaps, forced induction builds, and custom performance applications. Every project is approached with careful diagnostics, data-driven tuning, and a commitment to maximizing performance without sacrificing reliability.

A white sports car is positioned inside a racing simulation setup with two monitors on a stand and a black racing seat in the background, all inside a room with black and red decor.

2024 Chevrolet Corvette C8 Z06

Objective

Improve airflow, throttle response, and overall engine performance while maintaining drivability.

Vehicle Configuration

  • Soler Engineering 91mm Throttle Bodies

  • High-Flow Catalytic Converters

  • JLT Cold Air Intake

After validating the vehicle on our Mainline ProHub dyno, DEFI Motorsports optimized airflow and ECU calibration to unlock additional horsepower and torque from Chevrolet's flat-plane crank LT6 V8.

Performance Results

  • Baseline

    • 587 HP

    • 392 lb-ft Torque

  • Final Results

    • 617 HP

    • 425 lb-ft Torque

  • Gain

    • +30 Horsepower

    • +33 lb-ft Torque

Ford custom tuning troubleshooting factory ecu maximum performance mustang, F-150 Raptor eco boost e85 flex fuel performance fuel savings

2019 Ford Mustang EcoBoost

Objective

Evaluate the performance of a lightly modified EcoBoost Mustang while maintaining the factory calibration.

Vehicle Configuration

  • Blow-Off Valve

  • Cat-Back Exhaust

  • 87 Octane Fuel

This vehicle arrived with several bolt-on modifications but remained on the factory tune. DEFI Motorsports documented the vehicle's current performance to establish a baseline for future calibration work.

Performance Results

  • Baseline (Modified, Factory Tune)

    • 224 HP

    • 254 lb-ft Torque

  • Calibration Status

    Factory Tune Maintained

Port fuel injection for Cadillac CTSV V3 big boost tuning e85 supercharger GM Camaro ZL1 ZR1 Z06

2016 Cadillac CTS-V (6.2L LT4)

Objective

Improve airflow and optimize performance on Cadillac's supercharged LT4 platform.

Vehicle Configuration

  • AFE Cold Air Intake

Although baseline dyno data was unavailable, DEFI Motorsports completed ECU calibration following installation of the upgraded intake system, producing a balanced increase in horsepower and torque.

Performance Results

  • Baseline

    Not Recorded

  • Final Tune

    • 521 HP

    • 525 lb-ft Torque

Cadillac CTSV V2 V3 LSA LT4 supercharger flex fuel e85 tuning with HP Tuners Dealer MPVI4 RTD4 ecu flash custom tuning maximum performance

2013 Cadillac CTS-V (6.2L LSA)

Objective

Optimize airflow and ECU calibration for improved power and drivability.

Vehicle Configuration

  • Cold Air Intake

  • Cat Delete

  • HP Tuners Calibration

  • 91 Octane Fuel

Following airflow improvements, DEFI Motorsports calibrated the factory ECU to maximize performance while maintaining reliable operation.

Performance Results

  • Pre-Tune

    • 454 HP

    • 427 lb-ft Torque

  • Final Tune

    • 483 HP

    • 440 lb-ft Torque

  • Performance Gain

    • +29 Horsepower

    • +13 lb-ft Torque

Nissan and Infinity drift car custom build facility E85 tuning, turbo systems, superchargers, angle kits, suspension, hydro brake, fabrication, motorsports wiring

2006 Infiniti G35 Drift Car

Objective

Increase horsepower while improving reliability for competitive drifting.

Vehicle Configuration

  • Vortech Supercharger (8 PSI)

  • Headers

  • Cat Delete

  • Full Exhaust

  • Ignite E85 Fuel

After validating the vehicle's baseline performance, DEFI Motorsports transitioned the vehicle from 91 octane to Ignite E85 and recalibrated the ECU to maximize the Vortech supercharger system.

Performance Results

  • Baseline

    • 357 HP

    • 260 lb-ft Torque

  • Final Tune

    • 410 HP

    • 300 lb-ft Torque

  • Performance Gain

    • +53 Horsepower

    • +40 lb-ft Torque