Description
If you’re running a KX65 in competitive closed-course racing, exhaust scavenging directly impacts your power band and throttle response. The Pro Circuit R-304 delivers measurable performance gains through optimized expansion chamber design while keeping rotating mass minimal—critical for a 65cc platform where every gram matters. Built for frequent re-packing and abuse, this silencer handles the demands of serious racers who can’t afford downtime.
- Compact aluminum canister
- 304 stainless steel intake
- Hex head fasteners
- Double-walled mounting brackets
- TIG/MIG welded construction
- E-Glass internal packing
- Kawasaki KX65 2002–2022
- Bolt-on installation
- Full-race two-stroke design
- Quick maintenance access






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