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Yoshimura's AT2 slip-on for the 2017-on CBR1000RR, SP and SP2, in Works Finish stainless. It weighs 4.3 lb against the 6.7 lb stock muffler, and Yoshimura measured 2.1% more peak horsepower and 1.2% more peak torque. The INS-27-K sound insert is supplied; open, Yoshimura measured 101.2 dB at 5,000 rpm against 94.1 dB stock (J2825). Made in Chino, California.
Fits Honda CBR1000RR 2017–2026
| Bike | Years | Notes |
|---|---|---|
| Honda CBR1000RR | 2017–2026 | — |
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 | 4.3 lb (stock muffler: 6.7 lb) |
| Yoshimura's dyno | +2.1% peak horsepower, +1.2% peak torque |
| Sound (J2825, open) | 92.7 dB at 2,000 rpm, 101.2 dB at 5,000 rpm (stock: 85.9 / 94.1 dB) |
| Included | INS-27-K sound insert |
| Made in | Chino, California |
| Sound inserts / spark arresters (sold separately) | INS-27-K, INS-35-K |
| Yoshimura part number | 12202BP521 |
Ships to the lower 48 and DC. Returns accepted on most items.