*Product may vary by application
Emissions Compliance Declaration: QUALIFIED MANUFACTURER DECLARED "MODIFIED PART"
WARNING: Cancer and Reproductive harm - www.p65warnings.ca.gov
Introducing our AT2 3/4 system for 2021 Kawasaki ZX-10R and RR sport bikes.
The updated ZX-10 received electronics and emissions updates to the revised engine for 2021, while maintaining that traditional butt-kicking adrenaline throughout the machine
The stock header on the ZX-10 is hard to beat, made of titanium, it performs very well for a stock unit, so our engineers focused on where they could make the most gains. It seemed perfect to develop not an entire system, but a 3/4 Race Series system.
Our AT2 styling and performance is perfect for Kawasaki's newest liter bike. Dripping with looks and performance the AT2 woke up the 998cc inline four cylinder engine like you would expect. Enhancing the max HP a whopping 10.4% and torque an additional 7.7% throughout the entire spectrum too! If you're racing, split seconds can win races. The AT2 is here optimize performance and to help you win!
Substantial weight savings were achieved as well. The AT2 3/4 system drops over 8 pounds over the stock muffler while providing that insane Yoshimura AT2 exhaust note. Let's go racing!
The AT2 is proudly developed, designed and made in the USA.
Sound Insert/Spark Arrester Options
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Sound Level
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Volume Insert | Spark Arrestor | Included |
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INS-20-K | Yes | |
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INS-27-K | No |
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This product was designed to fit on a standard equipped motorcycle, as delivered from the factory. OE and aftermarket accessories not found on a bike as delivered from the factory may not be compatible with this product.
Attention international customers: This product was designed and tested to be compatible with vehicles in the U.S. marketplace only. Compatibility, including fitment and performance, may vary by marketplace.
Works Finish Explained
New Yoshimura Works Finish takes on a unique coloring after it goes through a heat cycle on the motorcycle that looks much like those titanium works components our factory racers use.
- Contemporary Satin/matte finish
- Uniform heat coloration
- Increased fatigue strength
- Increased scratch and stain resistance
Vehicle Fitment
Customer Reviews
Fast shipping and quality product. Install on my 2024 zx10r and it brings the bike to life. Very aggressive sounding and sounds great with the quick shifter
I purchased this set up for both of our bikes. Figured I was buying the only real exhaust for the 450ss so might as well get one for my ZX10R and honestly love the look and sound on both bikes
Wow. I was blown away after getting this on my bike. What a great price and such a high quality product. Bought this for my 2023 ZX10R. Insane how loud and aggressive it sounds. Price was so reasonable for a 3/4 system. Definitely will wake the bike up. Half the price of these systems on the market and yoshi has been around for a while. Can’t say enough great things about this system. Thanks Yoshi. Keep making affordable great products.
FYI, I’ve had top of the line Akrapovic exhausts on bikes and this is right there if not ahead.
Absolutely love it! Was skeptical at first because I didn’t find many reviews of it but oh man, this exhaust note is music to my ears! The install was very simple and the quality of the exhaust is amazing!