Yoshimura RS-9T Full Exhaust System | Honda Grom 2022+ (JC92) | Stainless & Carbon Fiber

Elevate your 2022+ Honda Grom's performance and sound with the Yoshimura RS-9T Race Full Exhaust System — a race-proven, street-legal system built with stainless steel construction, a stainless steel sleeve, and a carbon fiber end cap. Developed in collaboration with OEM factory racing teams and refined by professional racers, this is the benchmark exhaust for serious Grom builds.

Key Features

• Pentagonal muffler design — optimized internal volume for maximum flow and tone
• Polyresonant duplex front chamber — broadens powerband and improves throttle response
• Stepped two-stage core baffle — fine-tunes exhaust note and back pressure
• USFS-approved spark arrester — street and trail legal
• Stainless steel header and sleeve — corrosion-resistant, built to last
• Carbon fiber end cap — lightweight, premium finish
• Developed using advanced data acquisition and GPS technology alongside factory racing programs

Fitment

• 2022+ Honda Grom 125 (JC92)

Specifications

• Brand: Yoshimura
• Model: RS-9T
• System Type: Full System (Race)
• Materials: Stainless Steel Header & Sleeve / Carbon Fiber End Cap
• SKU: 12122AR520
• Barcode: 15318769
• Weight: 6.9 lbs
• Product Type: Exhaust

In stock and ready to ship. The definitive exhaust upgrade for 2022+ Grom builds — street, track, or big bore.