Description
If you’re running a YZ85 in competition, exhaust performance directly impacts your power delivery and throttle response. The Pro Circuit R-304 delivers measurable gains through precision engineering and race-proven design, giving you the edge on the track. Built for serious racers who demand reliability lap after lap without sacrificing weight or performance.
- Compact aluminum canister
- 304 stainless steel intake tube
- High-quality E-Glass packing
- Hex head inlet cap screws
- Double-walled mounting brackets
- TIG and MIG welded construction
- Optimized for power gains
- Quick maintenance design
- Lightweight durability
- Full-race two-stroke silencer
- Extended packing life
- YZ85 2002-2018 fitment
- Bolt-on installation






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