Dominate the track and the street with the Yoshimura AT2 Race Series Full Exhaust System, engineered specifically for the Triumph Trident 660. A direct evolution of the legendary Alpha Taper design, the AT2 delivers measurable performance gains while shedding critical weight — the ultimate win-win for any serious rider.
The AT2 features an all-new matte carbon fiber end cap and heel guard, a faceted inner end cap assembly, and Yoshimura’s iconic Works Finish — a look as aggressive as the power it unleashes. Every unit is proudly made in the USA and built to Yoshimura’s exacting race-proven standards.
FEATURES
- Stainless steel construction with matte carbon fiber end cap and heel guard
- 6.3% gains in peak horsepower and 5.4% gains in peak torque
- Significant weight reduction over stock exhaust
- Yoshimura Works Finish with faceted inner end cap assembly
- Unmistakable Yoshimura exhaust note
- Proudly made in the USA
FITMENT
- Triumph Trident 660 (confirm model year compatibility before ordering)








