Corona, California based Pro Circuit Inc. is a leader in off-road motorcycle exhausts and aftermarket performance parts. Started in 1978, Pro Circuit is the go to shop for recreational riders and professionals for everything from suspension work to complete engine packages, and everything in between.

Created by legendary Mitch Payton, Pro Circuit proves its products and services week-in and week-out through its tagline "We Race." Every product that dons the Pro Circuit stamp stems from the legendary Pro Circuit race team. A staple in the professional paddock, Pro Circuit Racing has earned 26 AMA championships and more than 200 race wins in more than 30 years of competition.