911 Design

911 Design Porsche Racing & Street Car Specialty
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911 (nine-eleven) Design is a full-service repair and restoration facility located in the city of Montclair, CA, a suburb of Southern California. In addition to offering standard service, repair and restoration for all Porsche® models, we are known for and specialize in custom fabrication, design and performance upgrades. All of our services are vertically integrated which means we keep all repair, fabrication and auto-body in-house.

We had the pleasure to meet UFC legend and service his 991 GT3RS. Rampage has always been a car fanatic and we’re super...
06/01/2026

We had the pleasure to meet UFC legend and service his 991 GT3RS. Rampage has always been a car fanatic and we’re super grateful for him entrusting us to take care of his

Our customer wanted to lower his 991 to give it a more sporty stance while enhancing the handling so he opted for lower...
05/29/2026

Our customer wanted to lower his 991 to give it a more sporty stance while enhancing the handling so he opted for lowering springs which lowered the car about 1.2” front and 1” rear. OEM+ always looks great and now handles even better 👍

To order springs and schedule an install, visit us at www.nine11design.com or hit the link in our bio.

05/20/2026

Now available on our website is Smartphone Holder for Porsche 992. This new design allows for charging smart phones while staying securely in place. Visit our online store by clicking on the link on our profile!

Another cup car we love to see in the shop for service. This 996 has seen multiple wins over the years including a secon...
05/12/2026

Another cup car we love to see in the shop for service. This 996 has seen multiple wins over the years including a second place podium at Daytona. After all these years, it’s still a beast of a car and we’re glad to see it again 👍

We specialize in cup car prep for private racing teams that compete in club events and open track days. Whether you’re ...
05/08/2026

We specialize in cup car prep for private racing teams that compete in club events and open track days. Whether you’re new to the sport or a seasoned driver, our skilled techs have extensive knowledge to help service your track cars.

One of the highest spec'd 958.1 diesels came in to us for some lights and a Bluetooth controller. These XLRs were the ...
04/23/2026

One of the highest spec'd 958.1 diesels came in to us for some lights and a Bluetooth controller. These XLRs were the perfect touch to complete the look on the front end.

Nothing beats a properly patina'd 911. This 68 has just the right amount of character.
04/17/2026

Nothing beats a properly patina'd 911. This 68 has just the right amount of character.

04/13/2026

We recently had the pleasure of taking care of the Heigo 911 for before it was driven hard in Montana for the .icerace

Come check us out at Air Water! We will have 5 cars on display as well as a booth with some cool stuff. 2 cars will be s...
04/08/2026

Come check us out at Air Water! We will have 5 cars on display as well as a booth with some cool stuff. 2 cars will be some of Doug Barons favorite Porsches he's ever owned. The rest are other in house favorites that you'll have to see when they're done😉

You've been asking for it and the time has finally come. With gas prices increasing people are turning to EVs more and m...
04/01/2026

You've been asking for it and the time has finally come. With gas prices increasing people are turning to EVs more and more. So we figured a shift needed to happen to keep up with the market. Call and book your appointment today!

Address

5505 Moreno Street
Montclair, CA
91763

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+19099829111

Website

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