Built using our black hard anodized octagonal aluminum muffler housing and carbon fiber end cap from our full size exhaust systems. The “Chubby” is a short muffler design that creates big bike sound and increases power!
Octagonal-shaped large volume muffler housing means more power and better sound
Stepped head pipe diameter maximizes bottom, mid and top power over a single diameter design
Features including carbon end cap and four bolt serviceability
ECU map available through CJR Performance to increase power if you open up the air box
Re-buildable with simple hand tools, no grinding rivets
Optional “Backyard” quiet core insert available
Honda CRF125F 2019-2023
Honda CRF125FB 2019-2023
*For closed course competition only; not intended for use on the street.
Warning:This product contains chemicals which are known to the state of California to cause cancer and reproductive harm. www.p65warnings.ca.gov