Pro Circuit

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 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 Type 296 Spark Arrestor is specially engineered with an internal metal baffle, chambers and sound absorbing materials for a muffled exhaust sound and no loss of motor performance. The desired...

Unparalleled performanceIncrease in horsepower and torque gains will be noticed across rpm rangeElectroless nickel plating increases part life 2-10x longerStamped AKDQ high quality carbon steelHand...

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 T-6 Stainless Steel Exhaust System offers the same benefits as our popular Ti-6 Titanium Exhaust System, but the T-6 is constructed of stainless steel and aluminum for increased strength and...

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...

Clutch covers are CNC machined from T-6 billet aircraft-grade aluminum to improve durability and heat dissipation, which improves performance.

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...