Automotive performance design consulting

Engineering that makes the car do what you asked for.

Segfault Performance Consultants helps teams and private owners turn measurement into setup: aerodynamic testing and development, suspension kinematics, and vehicle dynamics optimization and tuning. We work where geometry, loads, and airflow meet the lap time.

What we do

Aerodynamic testing & development

Plan and run aero tests, interpret balance and drag data, and turn results into bodywork, underbody, and cooling changes that hold up on track—not just in a spreadsheet.

Suspension kinematics

Map motion ratios, camber gain, roll centers, and bump steer. Fix packaging and geometry problems before they show up as tire wear or unpredictable mid-corner behavior.

Vehicle dynamics optimization & tuning

Springs, dampers, anti-roll, alignment, and tire operating windows—tied back to measured kinematics and aero so setup changes are intentional, repeatable, and explainable.

Platforms we specialize in

  • DC2 Acura / Honda Integra Chassis and geometry work on the DC2 platform
  • GR / GV Subaru WRX & WRX STI Third-gen hatch and sedan (GR/GV) performance development
  • 930 Porsche 930 Turbo Classic turbo chassis: aero, suspension, and dynamics
  • R34 Nissan Skyline GT-R BNR34 platform specialization
  • GD Subaru WRX & WRX STI Second-gen (GD) sedan and wagon performance work

How we work

We start from the car you have and the job it needs to do. Deliverables are concrete: test plans, kinematics models, setup sheets, and design recommendations you can build or buy against. No theater—measurement, analysis, and a clear next cut.