Services
Professional UTV Services
Based in Mission Viejo, CA — serving Polaris RZR and Can-Am Maverick X3 owners with expert installs, wiring, and performance work.
📞 Book a Service AppointmentWhy Riders Choose Diamond Performance
We’re not just a parts store, we’re a full-time UTV performance shop with over 14 years of off-road racing experience. Every service we offer is performed by the same team that designs and manufactures our products. We know these machines inside and out because we ride them ourselves.
Our Services
Radio & Intercom Installs
Professional installation of race radios, intercoms, and communication systems. We install all major brands including Rugged Radios, PCI, and Kenwood paired with our USA-made dash mounts for a clean, factory-fit result.
Get a Quote →Wiring & Electrical
Custom UTV wiring solutions for lighting systems, switch panels, communication setups, and full electrical builds. Clean, reliable wiring that won’t fail you on the trail or at the race.
Get a Quote →Performance Builds
Full UTV performance builds tailored to your riding style and goals. From bolt-on upgrades to complete builds, we help you get the most out of your Polaris RZR or Can-Am X3.
Get a Quote →Clutch Tuning
Maximize your power-to-ground transfer with professional CVT clutch tuning. Tailored to your specific machine, modifications, riding style, and elevation. Dramatically improves throttle response and reduces belt wear.
Get a Quote →Repairs & Maintenance
Full-service UTV repair shop. We diagnose, fix, and get you back on the trail. From routine maintenance to complex mechanical repairs, our technicians handle it all.
Get a Quote →Accessory Installation
Purchased one of our USA-made accessories? We’ll install it for you. Catch cans, engine access panels, dash mounts, LED whips professionally fitted at our Mission Viejo shop.
Book Install →What Our Customers Say
“They are usually the ones talking me out of certain upgrades — they help me spend my money in the right areas.”
⭐⭐⭐⭐⭐ — Sean
“They only offer race quality products. If they don’t recommend it, it’s usually for a good reason.”
⭐⭐⭐⭐⭐ — Martin
Visit Our Shop
We’re located in Mission Viejo, California and serve riders throughout Orange County and Southern California. Local drop-off and pickup available by appointment.
📧 diamondperformanceusa@gmail.com
Contact Us to Schedule