Audi B5 S4 Track Car
Build Series

One of Trackspec Autosports' earliest featured projects, this Audi B5 S4 demonstrates the value of thoughtful engineering and long-term development. What began as a partially assembled track car grew into a well-developed machine through custom fabrication, performance upgrades, and countless hours of refinement both in the shop and at the track.

  • Completing an Unfinished Track Car

    What arrived as an unfinished project with a hacked wiring harness and boxes of loose parts became a fully sorted track machine through years of engineering and development. From electrical repairs and fabrication to drivetrain upgrades, aero development, and over 400 wheel horsepower, this Audi B5 S4 evolved into a capable and reliable track car.

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