Pro Circuit

The compact design of the R-304 Silencer offers optimum performance gains and is recommended for closed-course racing only. Hex head screws are used to secure the inlet cap and can be removed easily...

The compact design of the R-304 Silencer offers optimum performance gains and is recommended for closed-course racing only. Hex head screws are used to secure the inlet cap and can be removed easily...

Each water pump assembly has been CNC-machined from billet aluminum and is color anodized. The Pro Circuit Water Pump Impeller has been designed to increase the pumping capacity and pressure head to...

The 304 silencer is recommended for most two-stroke applications. The slightly longer body offers reduced noise output when compared to the R-304. The brushed aluminum body, stainless steel inlet...

Pro Circuit Banjo Bolts can be fastened onto the front and rear brake master cylinders, as well as the front and rear brake calipers to achieve that "works look". Banjo Bolts are machined from...

The original Pro Circuit Works pipe offers unparalled performance and power for every two-stroke application. Increased horsepower and torque gains will quickly be noticed across the entire rpm range...

The 304 silencer is recommended for most two-stroke applications. The slightly longer body offers reduced noise output when compared to the R-304. The brushed aluminum body, stainless steel inlet...

The original Pro Circuit Works pipe offers unparalled performance and power for every two-stroke application. Increased horsepower and torque gains will quickly be noticed across the entire rpm range...

The Platinum 2 Pipe was made for people who ride or race off-road. Constructed from heavy-duty 18-gauge metal, it offers increased protection from rock or crash damage. Like the Platinum and Works...

Pro Circuit's Linkage Arms are CNC-machined from billet aluminum and are designed to stiffen up the initial linkage curve and lower the chassis, making the bike much more stable. This will also help...

Not only does the 304 offer a great sound and reduced noise output with its longer silencer bodyAluminum and stainless steel construction also offers increased durability and performanceNot legal for...

The original Pro Circuit Works pipe offers unparalled performance and power for every two-stroke application. Increased horsepower and torque gains will quickly be noticed across the entire rpm range...

The Ti-2 is similar to the popular R-304 Silencer except it is constructed with a Carbon Dupont™ Kevlar® shell, Titanium tubing and end caps. The Titanium and Carbon Dupont™ Kevlar® construction...

PC-04 Assembly Lube is designed to prevent metal-to-metal contact upon engine start-up before adequate lubrication can be supplied. PC-04 is also excellent for use on bolt threads for accurate torque...

Just like our Ti-5 Titanium Exhaust System, the T-5 produces the same results except that the T-5 is constructed of stainless steel and aluminum for increased strength and durability. This system...