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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 race system for the YZF-R7 and MT-07, all stainless with the Works Finish, developed on Yoshimura's own R7 race project. It saves 9.6 lb over stock and tucks under the lower cowl, out of harm's way. On a stock engine with 91-octane pump fuel Yoshimura measured 5.7% more peak horsepower and 2.7% more peak torque; it is designed for modified, race-tuned engines, so those numbers are the start rather than the ceiling. It has an M18 lambda sensor bung in the tailpipe, and it is legal in the MotoAmerica Twins Cup class.
Fits Yamaha MT-07 / FZ-07 / YZF-R7 2018–2026
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 |
|---|---|---|
| Yamaha MT-07 / FZ-07 | 2018–2026 | — |
| Yamaha YZF-R7 | 2022–2026 | — |
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 | Full |
| Header | Stainless |
| Muffler sleeve | Stainless |
| End cap | Carbon Fiber |
| Weight saved | 9.6 lb |
| Yoshimura's dyno (stock engine, 91 octane) | +5.7% peak horsepower, +2.7% peak torque |
| Lambda sensor bung | M18, in the tailpipe |
| Sound insert | INS-20-K (about -4 dB), sold separately |
| Racing | Legal in the MotoAmerica Twins Cup class |
| Sound inserts / spark arresters (sold separately) | INS-20-K, INS-27-K |
| Yoshimura part number | 13720AP520 |
| Use | Closed-course competition only; not shipped to California |
Ships to the lower 48 and DC. Returns accepted on most items.
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