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Product image 1NINJA 400 18-19 / Z400 2019  Race ALPHA T FS SS-SS-CF Works Finish
Product image 2NINJA 400 18-19 / Z400 2019  Race ALPHA T FS SS-SS-CF Works Finish
Product image 3NINJA 400 18-19 / Z400 2019  Race ALPHA T FS SS-SS-CF Works Finish
Product image 4NINJA 400 18-19 / Z400 2019  Race ALPHA T FS SS-SS-CF Works Finish
Product image 5NINJA 400 18-19 / Z400 2019  Race ALPHA T FS SS-SS-CF Works Finish
Product image 6NINJA 400 18-19 / Z400 2019  Race ALPHA T FS SS-SS-CF Works Finish
Product image 7NINJA 400 18-19 / Z400 2019  Race ALPHA T FS SS-SS-CF Works Finish
Product image 8NINJA 400 18-19 / Z400 2019  Race ALPHA T FS SS-SS-CF Works Finish
Product image 9NINJA 400 18-19 / Z400 2019  Race ALPHA T FS SS-SS-CF Works Finish
Product image 10NINJA 400 18-19 / Z400 2019  Race ALPHA T FS SS-SS-CF Works Finish
Product image 11NINJA 400 18-19 / Z400 2019  Race ALPHA T FS SS-SS-CF Works Finish

*Product may vary by application

NINJA 400 18-19 / Z400 2019 Race ALPHA T FS SS-SS-CF Works Finish

SKU: 14710AP520

Regular price $747.36

MADE IN USA

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Race Series Exhaust System


By filling out the form below you acknowledge that the item being purchased is for racing only and this vehicle will never be used on public roads or land.

The product that you are purchasing is designed and intended for closed course competition use only and is labeled as such, i.e. Yoshimura "RACE SERIES." Yoshimura RACE SERIES products are neither designed nor intended for use on PUBLIC ROADS or LAND. Such use is prohibited by Federal and State regulations.

I have read, understood, and agree to Use Restriction Terms.


(Payment Options Available at Check Out)


Emissions Compliance Declaration: QUALIFIED MANUFACTURER DECLARED "MODIFIED PART"


WARNING: Cancer and Reproductive harm - www.p65warnings.com


The New Kawasaki 400's are sure to be a favorite with not only club racers but with those competing in the new Jr. Cup at Moto America rounds this year. This green machine has set the bar high for the competition, and Yoshimura is here to help even more.

Using our race proven Alpha T muffler to shape the power characteristics of the new green machine, our engineers found grunting torque and HP that pulls throughout the range. Power is up with the Alpha T full system 4.8% max HP and 4.2% max torque. Additional gains are made in weight, saving over 6lbs versus the stock complete system. Exclusive Works Finish gives this race system a golden titanium look after a heat cycle, and the sound is purely Yoshimura.

Also available is our black powder coated aluminum muffler bracket that is a necessity if the rider wants to remove the rear pegs to go racing.

Proudly made in the USA!



Instructions and Parts Diagram
Instructions / Parts Diagram

Race Series Exhaust System

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FOR CLOSED COURSE COMPETITION ONLY; NOT INTENDED FOR STREET USE

If you're looking for that competitive edge, look no further than our Race Series. These exhaust systems are designed with nothing but power in mind. Each Race Series system is developed in accordance with noise compliance regulations imposed by most racing sanctioning bodies worldwide.

Works Finish Explained

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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

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  • Kawasaki Ninja 400 2018
  • Kawasaki Ninja 400 2019
  • Kawasaki Z400 2019
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