Built in San Bernardino Since 1992
Extreme Performance builds off-road vehicles and performance parts for customers who expect strength, fitment, and real-world capability. Based in San Bernardino, California, our work spans turn-key sandcars, vehicle-specific UTV components, chromoly fabrication, suspension, protection, storage, and custom manufacturing.
What We Build
- Turn-key Extreme sandcars and custom vehicle builds
- 4130 chromoly roll cages, bumpers, nerf bars, suspension, and chassis components
- Can-Am, Polaris, Kawasaki, and Yamaha UTV parts and accessories
- Cooling, steering, safety, storage, electrical, and performance upgrades
- Laser cutting, machining, TIG welding, CAD, and custom fabrication
Built Around the Vehicle
We organize our online catalog around vehicle fitment so customers can start with their machine, compare compatible upgrades, and understand installation and shipping requirements before ordering. Many Extreme Performance components are designed and fabricated in-house, alongside carefully selected parts from established off-road manufacturers.
Need Help With a Build or Part?
Our team can help confirm fitment, discuss a sandcar build, answer shipping questions, or review a fabrication project before you order.
Phone: (909) 887-8000
Email: info@extremeperformance1.com
Location: 5486 Industrial Parkway, San Bernardino, CA 92407