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TST Undertail Closeout for Kawasaki Ninja 400 2018+ / Z400 2019+

TST Undertail Closeout for the Kawasaki Ninja 400 2018+ / Z400 2019+ Gain a clean and finished look to your Ninja 400 or Z400 with our exclusive CNC machined Undertail Closeout. TST Undertail Closeout for the 2018+ Kawasaki Ninja 400 and Z400. What's included. Fill the hole left behind from removing your fender and keep water and road debris out with the TST Undertail Closeout.

TST Undertail Closeout for Kawasaki Ninja 400 2018+ / Z400 2019+

Clean up the looks of your Kawasaki Ninja 400 or Z400 while keeping dirt and road debris from entering the undertail with our exclusive CNC machined Undertail Closeout.


Kawasaki Ninja 400 | 2018, 2019, 2020

Kawasaki Z400 | 2019, 2020

This Undertail Closeout is included in the Ninja 400 / Z400 TST Fender Eliminator as part of our Elite-1 Fender Eliminator Kits.

SKU 10371
Price: $36.99
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If buying this product as part of the Buy Together bundle below, define these options there.


  • Closes the hole left behind from removing the OEM stock fender
  • Prevents road dirt, water, rubber, and general road grime from entering your sub-tray
  • Features wire path hole that can be sealed with included countersunk hardware
  • Lightweight design CNC machined from high grade aluminum
  • Durable black anodized finish helps prevent fading or chipping
  • Elegant and easy to install design
  • Slight modification required for installation, but don't worry! We have a step-by-step install video in which Bart walks you through every process


When you get rid of that bulky OEM fender you're left with a hole on the undertail that can easily let water, road debris, and more into the subtray of your brand new Kawasaki Ninja 400 or Z400. That's exactly why we designed and crafted this CNC machined undertail closeout that compliments the lines of the OEM paneling and gives your Ninja 400 or Z400 a clean and finished look. The high quality aluminum construction features a durable black anodized finish and features a sealable wire path hole, enabling you route signal and license plate light wires or close it off with the included countersunk hardware.

  • TST Industries Undertail Closeout
  • Corrosion resistant installation hardware
  • 1 Year Warranty (See our warranty policy here)

How to remove OEM Fender

This process is part of our Standard Fender Eliminator installation process.

How to Install Undertail Closeout

This process is part of our Elite-1 Fender Eliminator installation process.

WARNING: Cancer and Reproductive Harm -


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