Yoshimura RS-12 Signature Series Complete LineRef : YO00017A / 1125746

YOSHIMURA RS-12 Signature Series Full System (ref. 225850S321): a high-end exhaust designed for motocross and enduro, specifically tailored for Honda CRF 450 R / RX (2023-2024). Designed and developed by Yoshimura in Chino, California, the RS-12 focuses on manufacturing quality and premium materials to provide a more controlled engine response on demanding terrains.

According to Yoshimura, the RS-12 optimises engine management through a smaller throttle body and specific ECU settings, resulting in a reworked power and torque delivery for easier and less tiring riding.

• Claimed benefits:
  • Easier power delivery
  • Smoother torque at low revs, improving front traction
  • Ability to use a higher gear to free up the suspension
  • Less fatigue for the rider on long rides
• Technical specifications:
  • Silencer cap finish: carbon
  • Silencer: stainless steel
  • Pipework: stainless steel
  • Approval: FIM
  • Position: standard

Robust, lightweight, and stylish, the RS-12 Signature Series offers a polished look and controlled sound while adhering to FIM standards — ideal for riders who want to combine performance, reliability, and aesthetics on their motocross or enduro outings.