Street & Performance
Porsches

Driving a Porsche® means you care. Whether it’s a daily driver or concourse car, keeping it running in optimal condition is your goal and ours. Our staff of non-commissioned, specially-trained technicians will provide the service and diligence you have come to expect.

Street & Performance Services  >

Race Car Development
& Support

Not everything comes off the shelf nor can it be replicated. Often, each set up is custom and why only our talent can design, build cars, components and create engine or exhaust modifications that enhance your vehicle’s performance based on our over 20 years of real race experience.

Race Car Development Services  >

Auto Body Repair
& Customization

At 911 Design, we employ only the most qualified auto body technicians to perform the complex structural, mechanical, body and refinish work required to meet and exceed industry quality standards and in the same manner as an authorized Porsche® Collision Center.

Autobody Repair Services  >

Why Choose Us?

  • We are a full-service repair and restoration facility
  • We specialize in custom fabrication, design and performance upgrades for all Porsche models.
    (We also work on Ferrari and Lamborghini models as well)
  • Served the Porsche® community both inside and outside of California for over 20 years
  • Collision and custom work on ANY make or model vehicle – American brands as well
  • Aluminum and Carbon Fiber repair or replacement
  • Over 20 years of Porsche racing experience – club events and professional racing series’ provide a wealth of vehicle performance knowledge
  • Offers an “Arrive & Drive” customer racing program that includes a full race crew, trailering and pit/paddock support
  • Conveniently located on the 10 Freeway in Montclair, CA – with easy on/off access and ample loading areas

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Recent News & Work

Today we are focusing on our customer’s 2007 Porsche GT3RS. This beautiful car came to us for a few reasons. We are going to raise the car up, perform a major service and alignment, flush the bra... ... See MoreSee Less

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Our customer brought in his 2014 Porsche Cayenne for some minor accident repair. The passenger side rear door has suffered some damage on the bottom right side. Since the door could not be repaired... ... See MoreSee Less

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Update on our customer’s 2004 Porsche GT3. After being involved in an accident at the track our customer brought in his Porsche to have us restore it back to a street car. We have been working on... ... See MoreSee Less

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Call us today to schedule an appointment: (909) 982-9111