Contact Us

Contact Diamond Performance LLC

Have a question about a product, need help with an order, or want to book a service appointment? We're here to help.

Get in Touch

Business Hours

Our team is available Monday–Friday. For service appointments, please contact us to schedule a time that works for you.

What We Can Help With

  • Product questions — fitment, compatibility, specifications, and ordering
  • Order status and shipping — tracking, delivery questions, or changes to an existing order
  • Returns and exchanges — see our Return & Refund Policy or email us directly
  • Service appointments — radio installs, wiring, clutch tuning, performance builds, and UTV repairs
  • Installation support — visit our Installation Instructions page or email us with your question

Our Location

We are a full-time UTV performance and repair shop located in Mission Viejo, California. Local customers can drop off their machine by appointment. We also ship our USA-made accessories nationwide.

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