Description
For competitive two-stroke racing, exhaust flow and weight savings directly impact lap times. The Pro Circuit R-304 delivers measurable power gains through precision engineering while maintaining the durability required for repeated heat cycles and high-RPM abuse. If you’re serious about CR125R performance, this is the silencer that separates winners from the field.
Built for closed-course racing applications, the R-304 combines a compact aluminum canister with stainless steel internals to reduce unsprung weight without compromising structural integrity. Hex head screws enable fast packing changes between sessions, while double-walled mounting brackets resist vibration fatigue during aggressive riding.
- Compact aluminum canister
- 304 stainless steel intake tube
- Double-walled mounting brackets
- TIG and MIG welded
- E-Glass internal packing
- Hex head cap screws
- Honda CR125R 2002-2007
- Bolt-on installation
- Full-race two-stroke design
- Extended packing life






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