Yoshimura R&D of America, Inc.

R9 25-26 AT2 Stainless Full Exhaust, w/ Stainless Muffler

R9 25-26 AT2 Stainless Full Exhaust, w/ Stainless Muffler - Main image
$923.18 $1489 In stock

Category: Speed Series Exhaust System

The highly anticipated Yamaha R9 is finally here and Yoshimura has developed an AT2 Speed Series system with profound results.

Utilizing our AT2 muffler and our ISC technology we've been able give the Yamaha R9 the legs it needs to perform. Removing 4.5lbs pounds of weight is nice advantage that comes with our AT2 Speed Series.

Performance on with AT2 Speed Series system provide more horsepower and torque throughout the entire power spectrum. In fact you can expect up to 3.37% HP gain @10,000 RPM and a 4.1% torque increase @8,300 RPM. Now the R9 has longer legs!

Our Integrated Sonic Chamber allows us to boost power over the stock unit and gives the R9 extra bark all while keeping the new Speed Series full system 49 state friendly.

Aesthetics and sound are second to none when it comes to Yoshimura. A brilliant Works Finish from the headers to the tail pipe provides a look that is beautiful, yet durable. A custom carbon fiber heel guard finishes the look. If your familiar with the sound of the AT2 and the CP3 engine platform, you know the one of a kind exhaust note that emits from the faceted end cap is insane!

We also offer an AB Bracket kit option if you elect to remove the passenger pegs.

Yoshimura's Speed Series AT2 is proudly designed, developed and manufactured in Chino, California.

Sound Insert/Spark Arrestor Options


Sound Level

Volume Insert Spark Arrestor Included
INS-27-K No

INS-20-K

No

INS-35-K

No
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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 5 reviews)

Chloe ★★★★★

The ISC technology really smoothed out the throttle response, and the whole system was surprisingly easy to install. My R9 sounds aggressive without being obnoxious, and it shed some noticeable weight off the rear.

Scarlett P. ★★★★★

The AT2 muffler gave my R9 a deeper, more aggressive tone without being obnoxiously loud on the highway. Installation was straightforward with the included hardware, and I noticed a solid throttle response improvement right away.

Hannah ★★★★★

The ISC technology really smooths out the low-end fueling, and the AT2 muffler sounds incredible without being obnoxious on my commute. The welds on the stainless piping are clean and the whole system bolted up without any wrestling.