Mufflers & Silencers

Feature a longer midsection than the R-304 Shorty for stronger mid-to-high-RPM performance Excellent replacement for the OE silencer, while offering impressive performance gains 6061 T-6 brushed aluminum housing Double-walled mounting...

Features a longer midsection than the R-304 Shorty for stronger mid-to-high-RPM performance Excellent replacement for the OE silencer, while offering impressive performance gains 6061 T-6 brushed aluminum housing Double-walled mounting...

Pro Circuit has built a reputation around our exhaust systems. It's at the core of our business. We offer Two-Stroke exhausts for all the popular motorcycles and ATVs. There are pipes and silencers for racing, recreation, "quiet riding".....

The R-304 Silencer was developed as a full-race two-stroke silencer The compact design of our R-304 Silencer offers optimum performance gains and is the top choice for racers serious about winning Hex head screws are used to secure the inlet cap and can...

The R-304 Silencer was developed as a full-race two-stroke silencer The compact design of our R-304 Silencer offers optimum performance gains and is the top choice for racers serious about winning Hex head screws are used to secure the inlet cap and can...

The R-304 silencer was developed as a full-race two-stroke silencer The compact design of the short aluminum canister offers optimum performance gains and is recommended for closed-course racing only Hex head screws are used to secure the inlet cap and...

The R-304 silencer was developed as a full-race two-stroke silencer The compact design of the short aluminum canister offers optimum performance gains and is recommended for closed-course racing only Hex head screws are used to secure the inlet cap and...

The R-304 silencer was developed as a full-race two-stroke silencer The compact design of the short aluminum canister offers optimum performance gains and is recommended for closed-course racing only Hex head screws are used to secure the inlet cap and...

Canister is made of lightweight 6061-T6 aluminum with brushed finish High-strength aluminum rivets and R-304 Shorty features steel Allen head screws for easy disassembly and repacking Double-walled mounting brackets Exclusive E-glass pillow packing PC...