Extreme Performance

Extreme Performance Off-Road Manufacturing We build Sand Cars also know as Sand Rails or dune buggies and off-road vehicles.

What ever you call it, our cars are well designed and built in our factory in San Bernardino, California using the latest fabricating technologies transforming CAD/CAM to a beautifully crafted and tough vehicle enjoyed by owners around the world wherever there is sand and dirt. Our cars can be seen in the dunes of Glamis California, Sands of Dubai, Back Country of Australia.

05/01/2026

Repair or Upgrade your ride with us! We're now accepting more Fabrication repair jobs. No matter the damage or size of the project, we're your team! Call in or come on down for quotes and info! 😎🏎️

04/27/2026

Hitting Monday morning full throttle in the DR1!

04/15/2026

Cool little edit sent in by

04/02/2026

Eco 2 upgrade with Eco 3 boxed arms, 2” Hallow spindles and our new hub/brake kit we use on our DR1 and XR2 models:. DM or call for a quote or go to our website. All of these parts are available now!





03/17/2026

A cruise down the middle of camp.

Tag em if you see em!

02/26/2026

For over 30 years, Allan Nimmo has built Extreme Performance from the ground up.
But behind the scenes, his health was falling apart.
At nearly 300 pounds, battling diabetes, constant inflammation, heart stents, and daily pain — there was a real moment where stepping away from the business felt inevitable.
Today, he’s over 100 pounds lighter. His A1C is 5.1 - Living with zero joint pain and more energy than he’s had in decades.
This wasn’t a quick fix. It takes effort, It was real testing, real answers, and a personalized plan through VivaLife that addressed the root causes of his health decline.
We’re sharing this because health matters. Strength matters. Longevity matters.
If you’ve been told to “just live with it,” maybe it’s time to ask better questions.
Book the consultation. It might change more than you expect.

02/19/2026

HUGE CAGE SALE!!! 🤯 From now until the 1st of March 2026 we will be giving a 20% discount off the price on our website.

-MUST ORDER OVER THE PHONE.
-DO NOT ORDER DROM WEBSITE!
-CALL FOR SHIPPING QUOTE.

x3 maverickR ProR TurboR

02/10/2026

Extreme Performance XR2

Video cred: .media.house

01/02/2026

$139,900 YOU PICK THE COLORS!
We have a DR1 Chassis with Aluminum body, Curved Windshield, Scooped Hood, Set up for the big Holley Dash and Switch Woks ready to head to powdercoat. You can add from there but this car with LS3 and Weddle Sequential can be yours for $139,900. We can have you in the dunes by our Regatta.

pismo idahodunes sanddrags

01/02/2026

The drags were rough tonight!

12/29/2025

Extreme Crew at Swingset!




hornsby





Address

5486 Industrial Pkwy, Bldg E
San Bernardino, CA
92407

Opening Hours

Monday 7am - 4pm
Tuesday 7am - 4pm
Wednesday 7am - 4pm
Thursday 7am - 4pm
Friday 7am - 4pm

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