We are releasing the “Racing Exhaust (Slip-on) TYPE3,” the latest specification compliant with the 2026 HRC GROM Cup regulations.
Functional design optimized for racing scenes

21- HRC GROM Racing Exhaust (Slip-on Muffler)TYPE3
This product features a dedicated design specialized for circuit riding and racing use. Stainless steel (SUS) with excellent durability is adopted for the tailpipe and silencer, maintaining stable performance even under intense racing conditions.
Detail engineered for real-world racing

21- HRC GROM Racing Exhaust (Slip-on Muffler)TYPE3
An M18 size sensor bung is equipped as standard to expand the range of setting options (plug included). This facilitates the use of data loggers and other equipment, supporting precise machine setup. In addition, a dedicated silencer stay is included to ensure secure mounting.
Maintenance is also taken into consideration, allowing for oil changes and the removal/installation of the oil filter with the exhaust system still installed.
【TECHNICAL SPEC】
21- HRC GROMRacing Exhaust TYPE3
・Fitment:HRC GROM (HRC RACE BASE) / 2021年〜
・Price:63,800 JPY
・Parts No:1800R-J92-G03
・Proximity exhaust noise:95dB (5300rpm)
・Material:
・Tail Pipu:SUS
・Silencer:SUS
・Note:
・M18 Sensor bung equipped (plug included)
・Silencer stay included
・Oil changes and oil filter replacement possible
* Race-use only. Not legal for use on public roads.

