Red Audi RS performance sedan photographed inside the new Speedhaus Automotive workshop

Purposeful performance. Planned as a system.

From in-house BMW ECU unlocking to complete power, chassis, and brake development, every performance path begins with the platform, the vehicle’s condition, and the way you intend to use it.

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Performance · European platformsNewbury Park · California

Not a parts list. A vehicle plan.

More power, sharper response, stronger braking, better feedback, or a complete build all introduce dependencies. The right starting point is understanding the car as it sits and the experience you want from it.

BMW Bosch engine control unit secured in a protective case for an in-house ECU unlock

In-House BMW ECU Unlocking & Tuning

BMW ECU unlocking completed in-house, typically in about one hour or less, with calibration planned around the complete vehicle.

  • Supported BMW ECU unlocks
  • Vehicle and goal review
  • Calibration and supporting-system planning
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Large turbocharger and performance intake hardware prepared inside the Speedhaus workshop

Power & Supporting Modifications

Power work planned as a connected system, not a disconnected collection of parts.

  • Intake and airflow
  • Turbo and supporting hardware
  • Cooling and reliability planning
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Öhlins suspension components prepared for a performance vehicle

Suspension, Brakes & Handling

Chassis changes shaped around balance, feedback, tire, and intended use.

  • Suspension setup
  • Brake upgrades and service
  • Wheel, tire, and alignment planning
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Audi wheel, tire, and brake detail photographed outdoors

Exhaust & Intake

Hardware selected for the vehicle, the desired character, and the complete build plan.

  • Intake systems
  • Exhaust hardware
  • Fitment and compatibility review
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Green BMW performance build photographed inside the new Speedhaus workshop

Custom Builds

A defined path from the first conversation to an integrated finished vehicle.

  • Build scoping
  • Phased vehicle planning
  • Installation and ongoing service
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How a performance plan takes shape.

The useful question is not simply which part fits. It is which sequence supports the platform, the driver, and the complete vehicle.

Baseline

Current condition, service history, existing modifications, faults, and supporting systems establish where the vehicle can responsibly begin.

Intent

Road use, track use, response, sound, comfort, reliability, and long-term ambition define what better performance should feel like.

Dependencies

Power, heat, braking, grip, drivetrain, fitment, and calibration are mapped before one change creates an avoidable compromise elsewhere.

Phasing

When a build makes sense in stages, each step is chosen to work now and remain compatible with the direction still ahead.

Questions before the first conversation.

Clear context helps the workshop understand the vehicle and point the conversation in the right direction.

Do I need to know exactly which parts I want?

No. Start with the vehicle, its current condition, how you use it, and the outcome you want. That gives Speedhaus the context to discuss a sensible route.

Can Speedhaus plan a build in stages?

Yes. A phased plan can organize maintenance, supporting modifications, chassis work, and power development so each stage contributes to the final direction.

Does a performance conversation include maintenance condition?

Yes. The current mechanical and service baseline is part of responsible performance planning, especially where added power, heat, braking, or grip changes the demands on the vehicle.

Define the goal before choosing the parts.

Tell us what you drive, what you want from it, and what you have noticed. We will start with the right questions.

Start a conversation Call (805) 262-2088

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