Yoshimura RS-3 Street Series Exhaust – Honda Monkey 125 (Slip-On & Full System)

Yoshimura RS-3 Street Series Exhaust for Honda Monkey 125

Yoshimura engineered the RS-3 Street Series specifically for the Honda Monkey 125 — and the details show. With a custom-developed pint-sized RS-3 canister, this exhaust delivers real performance gains, a fitting tone for the Monkey's character, and head-turning style that matches the bike's iconic look.

Performance Gains

• Max horsepower up 7.2% over stock
• Max torque up 2.9% over stock
• Optimized exhaust flow for improved throttle response

Design & Construction

• Custom-developed pint-sized RS-3 canister — sized and styled for the Monkey
• Hard-anodized end cap with titanium tip for a premium finish
• Special inner core baffle for the perfect street tone
• Integrated heat shield for rider and passenger protection

Available Options

• Slip-On — Bolt-on upgrade using your stock mid-pipe (SKU: 12130B5500) – $689.00
• Full Exhaust System — Complete header-back replacement for maximum performance (SKU: 12130A5500) – $799.00

Fitment

• Honda Monkey 125 (2022 and newer)
• Honda Monkey 125 (1st Gen)

Made in the USA. Yoshimura — Racing since 1954.