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 Ducati Streetfighter V4 / V2 2025+

  • TST Undertail Closeout installed on the 2025 Ducati Streetfighter V2.
  • Upgrade your 2025+ Ducati Streetfighter with a clean and finished undertail from TST Industries.
  • TST Undertail Closeout for Ducati Streetfighter V4 / V2 2025+
  • Injection molded virgin ABS polymer alloy is precision crafted for a pefect fitment.
  • Color and texture matched to the rest of the Ducati Streetfighter OEM undertail.
  • What's included in the TST Undertail Closeout kit for the 2025+ Ducati Streetfighter V4 / V2.

TST Undertail Closeout for Ducati Streetfighter V4 / V2 2025+

TST Undertail Closeout for Ducati Streetfighter V4 / V2 2025+

Cover the unsightly gap on your Ducati Streetfighter's undertail after removing the stock fender with our easy-to-install Undertail Closeout. Designed specifically to visually integrate with the OEM surroundings, resulting in a sleek and refined undertail worthy of your Ducati.

Applications:

  • Ducati Streetfighter V4 | 2025
  • Ducati Streetfighter V2 | 2025

This Undertail Closeout is included in the TST Elite-1 Fender Eliminator for the 2025+ Ducati Streetfighter V4 / V2

Have a Question About This Product?
SKU 25DUCV4CO1=1
2025 +/Streetfighter V4/Ducati
TST Undertail Closeout for Ducati Streetfighter V4 / V2 2025+
 
Price: $59.99
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ATTENTION:

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

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  • 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 Ducati Streetfighter V4 / V2 tail section
  • Lightweight design manufactured using injection molded ABS polymer alloy
  • Color and texture matched to surrounding factory components
  • Provides a clean, finished, and race-inspired aesthetic to your Ducati tail section without any fender components

Description

When you uninstall the oversized factory fender from your Ducati Streetfighter V4 or Streetfighter V2, the exposed tail area is left looking incomplete and unrefined. Our injection-molded undertail closeout provides the perfect solution by restoring a sleek, factory-finished aesthetic that aligns with the aggressive design of the Streetfighter. Built from lightweight yet durable ABS polymer alloy, this closeout follows the natural body lines of the bike for seamless visual integration. The color and texture matched finish ensures the closeout blends effortlessly with surrounding OEM undertail components, leaving your Streetfighter even more aggressive and ready to ride!

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

Coming Soon
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Reviews

TST OEM Rear Brake Reservoir Delete Kit
TST OEM Rear Brake Reservoir Delete Kit
Works on Ninja 500. It's been installed on my bike for a year no issues.
Dominic
Sep 1, 2025
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