RS-4 Series Badge
Designed as an RS-4 / RS-4D replacement name plate, this Yoshimura service part helps return an RS-4 series muffler to a complete, properly labeled appearance when the original badge needs replacement.
Yoshimura · RS-4
The Yoshimura MUFFLER NAME BADGE RS4/RS4D is a replacement service part designed to restore the correct identification badge on an RS-4 series muffler. It’s intended for use as an RS-4 / RS-4D replacement name plate when the original badge is missing or damaged.
As noted by the manufacturer, this badge is located on the inner-side of the muffler. It’s a straightforward way to keep an RS-4 or RS-4D muffler looking complete with the proper Yoshimura branding.
Designed as an RS-4 / RS-4D replacement name plate, this Yoshimura service part helps return an RS-4 series muffler to a complete, properly labeled appearance when the original badge needs replacement.
Yoshimura specifies this name badge mounts on the inner-side of the muffler. Matching the intended placement helps maintain the original look and positioning associated with RS-4 and RS-4D mufflers.
Yoshimura RS-4, part of the Replacement Service Parts line.

This component is part of Yoshimura’s Replacement Service Parts lineup and is identified as MUFFLER NAME BADGE RS4/RS4D. For riders refreshing an existing exhaust, it provides the correct style badge for the RS-4 series without needing to replace other components.
The RS4-NB001 name badge is listed as an RS-4 / RS-4D replacement name plate. It is intended specifically for these muffler types, helping keep the muffler’s labeling consistent with the RS-4 series designation.
| Part Number | RS4-NB001 |
|---|---|
| Brand | Yoshimura |
| Product Line | Replacement Service Parts |
| Series | RS-4 |
| Shipping Weight | 0.25 lb |
| Barcode | 00840025909236 |
