Yoshimura · RS4S
The Yoshimura RS4S Carbon Fiber End Cap Cover w/ Insert Hole is a replacement service part designed for the RS4S series. It’s intended to help restore a muffler’s appearance when the end cap has been damaged, a common issue after tip-overs.
Built from carbon fiber, this cover is a straightforward way to refresh the look of an RS4S muffler while retaining an insert hole design consistent with the part’s intended use within the RS4S line.
Made as part of Yoshimura’s Replacement Service Parts line, this end cap cover is specifically tied to the RS4S series. It’s a practical option for replacing a damaged end cap cover without changing to a different series or component style.
This end cap cover is specified as carbon fiber. For riders repairing a tipped-over muffler, it provides a material-matched replacement component intended to bring the exhaust back to a clean, finished appearance.
The part is produced with an insert hole, matching the product’s intended configuration. This detail helps ensure the replacement end cap cover aligns with the existing RS4S muffler setup that uses an insert-style opening.
Sound
Tip-overs can leave an otherwise good muffler with a scuffed or damaged end cap. This Yoshimura RS4S Carbon Fiber End Cap Cover w/ Insert Hole is positioned as a service replacement to help get an RS4S muffler looking right again, without replacing the full exhaust. It’s listed under Yoshimura’s Replacement Service Parts and is identified within the RS4S series for clear part selection.
Materials
This replacement end cap cover is listed with carbon fiber as its material and carries Yoshimura part number RS4S-CFC-1. The page specifications table provides quick confirmation of these details along with the listed shipping weight, making it easier to verify the correct replacement component before ordering.
| Part Number | RS4S-CFC-1 |
|---|---|
| Brand | Yoshimura |
| Product Line | Replacement Service Parts |
| Series | RS4S |
| Material | Carbon Fiber |
| Shipping Weight | 1 lb |
