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Introducing Podium Points! Get rewarded for every dollar you spend. Click the Rewards button at the bottom of the page!
Yoshimura's AT2 slip-on with a carbon fiber heel guard for the Ninja 500 and Z500, and the Ninja 400 and Z400 before them. It weighs 4.8 lb against the 8.1 lb stock muffler, and Yoshimura measured 3.2% more peak horsepower and 5.3% more peak torque with a deep, throaty note. With the INS-20-K insert Yoshimura measured 95.6 dB at 5,000 rpm against 84.8 dB stock (J2825). Made in Chino, California.
Fits Kawasaki Ninja 400 and 3 more, 2018–2026
| Bike | Years | Notes |
|---|---|---|
| Kawasaki Ninja 400 | 2018–2023 | — |
| Kawasaki Ninja 500 | 2024–2026 | — |
| Kawasaki Z400 | 2019–2023 | — |
| Kawasaki Z500 | 2024 | — |
Check the fitment list for your exact bike and year, and order every part it says this one needs.
| Line | AT2 |
|---|---|
| Yoshimura series | Street |
| Type | Slip-On |
| Pipe | Stainless |
| Muffler sleeve | Stainless |
| End cap | Carbon Fiber |
| Weight | 4.8 lb (stock muffler: 8.1 lb) |
| Yoshimura's dyno | +3.2% peak horsepower, +5.3% peak torque |
| Sound (J2825, with INS-20-K) | 90.9 dB at 2,000 rpm, 95.6 dB at 5,000 rpm (stock: 76.6 / 84.8 dB) |
| Made in | Chino, California |
| Sound inserts / spark arresters (sold separately) | INS-20-K |
| Yoshimura part number | 14730BP520 |
Ships to the lower 48 and DC. Returns accepted on most items.
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