We race.
One-time desert racing pro and motor tuning specialist Mitch Payton, founded Pro Circuit in 1978 at the age of 18.
After perfecting his skills in the black arts of cylinder porting and polishing, Mitch and his small-but-elite team of speed specialists focused their collective energy on other bike parts and other brands.
Custom-tuned exhaust pipes were the first Pro Circuit high-performance accessory to roll out of Mitch’s cluttered speed shop, followed by racing silencers.
In 1991, Mitch and a four-man team of relatively unknown motocross racers (including a kid named Jeremy McGrath) contested in the AMA Supercross series under the Peak Antifreeze, Pro Circuit and Honda banners. Six months later, that team swept the 125cc East and West Supercross championships!
Although sponsors and rider line-ups on our record-setting motocross team change from year to year, one thing always stays the same: the Pro Circuit reputation for professionalism and winning.
In 1997, another pro motocross rookie, this one named Ricky Carmichael, flew Pro Circuit colors to the 125cc National Motocross championship that Mitch had dreamed about winning for so many years.
One-time desert racing pro and motor tuning specialist Mitch Payton, founded Pro Circuit in 1978 at the age of 18.
After perfecting his skills in the black arts of cylinder porting and polishing, Mitch and his small-but-elite team of speed specialists focused their collective energy on other bike parts and other brands.
Custom-tuned exhaust pipes were the first Pro Circuit high-performance accessory to roll out of Mitch’s cluttered speed shop, followed by racing silencers.
In 1991, Mitch and a four-man team of relatively unknown motocross racers (including a kid named Jeremy McGrath) contested in the AMA Supercross series under the Peak Antifreeze, Pro Circuit and Honda banners. Six months later, that team swept the 125cc East and West Supercross championships!
Although sponsors and rider line-ups on our record-setting motocross team change from year to year, one thing always stays the same: the Pro Circuit reputation for professionalism and winning.
In 1997, another pro motocross rookie, this one named Ricky Carmichael, flew Pro Circuit colors to the 125cc National Motocross championship that Mitch had dreamed about winning for so many years.
Latest Catalogue
4-Stroke Exhaust
KTM/Husqvarna Ti-6 Pro Titanium System
Pro Circuit’s Ti-6 Pro Titanium Exhaust System was created for professional racers to ensure they pass AMA/FIM sound regulations.
The Ti-6 Pro Titanium Exhaust System is constructed of titanium throughout the head pipe, mid pipe, and canister while the end-cap is carbon fiber. The Ti-6 Pro is the next generation of professional level race exhausts.
The Ti-6 Pro is a full race system intended for closed-course racing only.
4-Stroke Exhaust
KTM/Husqvarna Ti-6 Pro Titanium System
Pro Circuit’s Ti-6 Pro Titanium Exhaust System was created for professional racers to ensure they pass AMA/FIM sound regulations.
The Ti-6 Pro Titanium Exhaust System is constructed of titanium throughout the head pipe, mid pipe, and canister while the end-cap is carbon fiber. The Ti-6 Pro is the next generation of professional level race exhausts.
The Ti-6 Pro is a full race system intended for closed-course racing only.
Whether a product is for a factory guy or a recreational rider, we make sure both receive our 100% effort in giving them a product that is above the rest.
Suspension
KTM LINKAGE ARM
Pro Circuit’s Linkage Arms are CNC-machined from billet aluminum and are designed to stiffen up the initial linkage curve and improve the geometry of the chassis, making the bike much more stable.
This will also help eliminate the initial loose and wallowy feel. Turning and cornering capabilities are greatly improved as well. Although having your suspension revalved by Pro Circuit would make a considerable improvement, the Linkage Arms alone provide a major improvement over the stock set-up.
Each link arm includes all of the required bearings and seals.
Suspension
KTM Linkage Arm
Pro Circuit’s Linkage Arms are CNC-machined from billet aluminum and are designed to stiffen up the initial linkage curve and improve the geometry of the chassis, making the bike much more stable.
This will also help eliminate the initial loose and wallowy feel. Turning and cornering capabilities are greatly improved as well. Although having your suspension revalved by Pro Circuit would make a considerable improvement, the Linkage Arms alone provide a major improvement over the stock set-up.
Each link arm includes all of the required bearings and seals.
Find a Pro Circuit Dealer near you
We have built pipes, tuned suspension and modified engines for legendary riders such as Rick Johnson, Jeff Ward, Damon Bradshaw, Jeremy McGrath, Ricky Carmichael, Kevin Windham, James Stewart, Ryan Villopoto and current stars like Eli Tomac, Chad Reed and Cooper Webb.
