Attention: You are purchasing closed course competition Product(s)

I acknowledge that the product(s) being purchased () was/were designed and intended for closed course competition use only. The product(s) is/are neither designed nor intended for use on public roads or land and is against Federal and State regulations to do so. By proceeding with this purchase, I , agree to only use the product(s) for closed course competition.

If an ECU tune was purchased, please send your unmodified and undamaged OEM ECU to TST Industries, located at 623 Pleasant St, Lake Helen, FL 32744.

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FREE SHIPPING OPTION FOR DOMESTIC ORDERS:

U.S. customers are offered a free shipping option for orders with a discounted subtotal greater than $250.00 (before taxes applied). The order's shipment destination must reside within the United States of America. The free shipping options still utilize our standard postage providers and 3rd party shipping companies. Does not apply to large items such as exhausts, stands, and bodywork shipping. All terms and conditions that apply to normal orders will continue to apply to orders with a free shipping option.

NO RESTOCKING FEES:

An item returned within 30 days of purchase, that includes an accurate RMA#, in a perfectly new, unopened condition, and that complies with our other return policies, will not be charged a restocking fee.

MOST QUESTIONS ABOUT THIS PRODUCT CAN BE ANSWERED ON THIS PAGE.

The most common product related questions are answered in the tabs section on this page. Be sure to carefully read through the "Product Details", "In the Box", and "FAQs" tabs. In addition, a lot of our products have comprehensive videos demonstrating installations and product features. You can find those videos in the "Videos" tab.

Note: Some product pages may not have all the tabs mentioned above. Please read through all the available tabs to find the answers to your questions. If you still need assistance, please use the "ASK A QUESTION ABOUT THIS PRODUCT" button below the tabs section.
NO ADDITIONAL COST: You pay at the time of checkout and never have to worry again.
COVERAGE: Our Limited Extended Warranty starts on the date of purchase. It covers all manufacturer defects for our TST Exclusive products. (Products manufactured by us with the exception of our WORX products)
EXPERT HELP: As always our team is here to help. If you’re unsure about this warranty or if your product is eligible, feel free to reach out to us and we can help answer any questions you may have!
PRODUCT ELIGIBILITY: TST will offer our Limited Extended Warranty on all products manufactured by TST Industries.
EASY CLAIMS PROCESS: Simply click the “Contact Us” page and fill out the “Returns Form” to begin the warranty process. Once our team receives your email and initiates the RMA, you can send your product back to us and we will repair/replace the product at no cost as long as a manufacturer defect is found. What qualifies as a manufacturer defect? Check out our Terms and Conditions for some examples!

TST Undertail Closeout for Yamaha YZF-R9 2025+

  • TST Undertail Closeout for Yamaha YZF-R9 2025+
  • All-new closeout design is shaped specifically to the Yamaha YZF-R9 tail.
  • Color and texture matched material blends in with the surrounding OEM tail components.
  • Fill the gap left behind after removing the stock Yamaha R9 fender.
  • Upgrade your Yamaha YZF-R9 with the TST Industries Undertail Closeout.

TST Undertail Closeout for Yamaha YZF-R9 2025+

TST Undertail Closeout for Yamaha YZF-R9 2025+

Fill in the gap left behind after uninstalling the factory fender with our all-new color and texture-matched Undertail Closeout.

Applications:

Yamaha YZF-R9 | 2025

This Undertail Closeout is included in the TST Elite-1 Fender Eliminator for the 2025+ Yamaha YZF-R9

Have a Question About This Product?
SKU
2025 +/YZF-R9/Yamaha
TST Undertail Closeout for Yamaha YZF-R9 2025+
 
Price: $55.99
Quantity Out of stock

ATTENTION:

If buying this product as part of the Buy Together bundle below, define these options there.

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In Design > In Development > Coming Soon > Available Now

  • Product Details
  • In the Box
  • Recommended Accessories
  • Videos

Features

  • Closes the hole left behind after removing the factory fender
  • All-new design sepcific to the Yamaha YZF-R9 tail section
  • Lightweight design manufactured using SLS technology
  • Custom media treatment ensures each closeout is color and texture matched to factory parts
  • Provides a clean, finished, and race-inspired aesthetic to the R9 tail section without any fender components
  • Made in the USA

Description

Uninstalling the OEM fender hardware from your 2025+ Yamaha YZF-R9 leaves the tail section of your ride looking partially disassembled and unfinished. That’s why we engineered a lightweight undertail closeout that fills that void with a clean, durable, and streamlined solution. Designed to match the curves and flow of the YZF-R9’s bodywork, the color and texture-matched SLS manufactured closeout ensures a factory-like fit and finish. You won’t need to cut or modify anything, simply bolt it on and instantly achieve the finished tail section your Yamaha R9 should have had from the factory floor.

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

Coming Soon
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WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

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Reviews

TST Programmable And Sequential LED Integrated Tail Light For Yamaha MT-09 2021-2023
TST Programmable And Sequential LED Integrated Tail Light For Yamaha MT-09 2021-2023
I love it. Can't stop looking at it every time I get off the bike :) Great product, feels and looks high quality. It is very bright even in bright daylight. Installation was not a problem, also there is a very comprehensive video on it by TST. Highly recommend to every owner of MT09 to buy it, it's well worth the money! Great job guys!
Vlad Presada
Jul 6, 2025
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