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An AT2 race 3/4 system for the 2021-on ZX-10R and ZX-10RR. The stock titanium header is already good, so Yoshimura kept it and replaced everything after it. On Yoshimura's dyno that added 10.4% peak horsepower and 7.7% peak torque, and it takes more than 8 lb off the stock muffler. Made in the USA.
Fits Kawasaki ZX-10R 2021–2026
We sell this part for closed-course competition use only, and do not ship it to California. Yoshimura makes it as a Race Series part: for closed course competition only, not intended for street use.
| Bike | Years | Notes |
|---|---|---|
| Kawasaki ZX-10R | 2021–2026 | — |
Check the fitment list for your exact bike and year, and order every part it says this one needs.
| Line | AT2 |
|---|---|
| Yoshimura series | Race |
| Type | 3/4 |
| Pipe | Stainless |
| Muffler sleeve | Stainless |
| Weight saved | over 8 lb |
| Yoshimura's dyno | +10.4% peak horsepower, +7.7% peak torque |
| Configuration | Uses the stock titanium header |
| Made in | USA |
| Sound inserts / spark arresters (sold separately) | INS-20-K, INS-27-K |
| Yoshimura part number | 14183CP520 |
| Use | Closed-course competition only; not shipped to California |
Ships to the lower 48 and DC. Returns accepted on most items.