Built using our brushed aluminum octagonal muffler housing and carbon fiber end cap from our full size exhaust systems. The “Chubby” is a short muffler design that features increased volume which adds power and makes an awesome sound!

  • Designed to work with 132cc big bore kits
  • Features big tube triple stepped head pipe design to insure good low end torque while maximizing higher RPM horsepower
  • Purpose built Chubby muffler with a larger intake cap and core creating the correct amount of back pressure
  • O2 bung to tune air/fuel management. We recommend ECU tuning available through CJR Performance
  • Standard features including our carbon fiber end cap and 6″ brushed aluminum “Chubby” muffler
  • Optional “Backyard” quiet core insert available


*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.

2019-2023 CRF110


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SKU: RKT-CRF-1923-RAW-BB Category:
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