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Tesla Model 3 Ascension Rear Bumper and Diffuser System
Tesla Model 3 Ascension Rear Bumper and Diffuser System

Tesla Model 3 Ascension Rear Bumper and Diffuser System

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Unplugged Performance Ascension Rear Bumper for Tesla Model 3

Buy this product and earn 895 UP Points.

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Product Details Product Details

Unplugged Performance Ascension Carbon Fiber / FRP Rear Bumper and Diffuser System for Tesla Model 3

Features:

  • Available in autoclave produced prepreg carbon fiber or autoclave produced prepreg PFRP flexible fiberglass
  • Extremely lightweight and strong
  • Produced with the same materials, equipment and same factory as million-dollar race car body panels

Incredible Weight Savings: 

UP Ascension Rear Bumper: 5.5lbs (in carbon) + UP Ascension Rear Under Tray: 2.35lbs = Combined Weight: 7.85lbs

Tesla Factory Rear Bumper + Under Tray Combined Weight: 16.25lbs

Weight Savings: 52% Lighter (8.4lbs)

UP Carbon parts are engineered using advanced prepreg-autoclave technology with our proprietary dry-carbon-kevlar backing layer. This superior method, with resin integrated during production, delivers exceptional strength-to-weight performance compared to traditional wet-layup or vacuum infusion methods.
Finish Options

  • Gloss Base Coat: Showcases the carbon weave pattern with a glossy finish
  • Satin Base Coat: Offers a refined, contemporary aesthetic

Base Coat Information
Our parts feature a base coat finish that displays the carbon fiber weave. These finishes serve as a foundation and can be enhanced through professional clear coating or protection film services at your local automotive facility. As these are base coat finishes, warranty coverage excludes all cosmetic outcomes including UV-related fading, discoloration, scratches, rock chips, and finish degradation.

Warranty Coverage

  • 5 year structural warranty on fitment and functionality for the original owner.
  • Base coat finishes are provided as-is as a no-cost time-saver to prepare the parts for recommended clearcoat or paint protection.
  • Compatible with recommended professional clear coating and paint protection services.
  • Warranty does not cover visual degradation or discoloration from UV or other damage for unprotected parts.

To view Carbon Fiber Parts Warranty and Disclaimer please follow the link: Carbon Fiber Parts Warranty

Reviews Customer Reviews

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      Ascension Rear Bumper and Diffuser System for Tesla Model 3
      MEDIA GALLERY

      WITH Ascension R Diffuser Fins

      WITHOUT Ascension R Diffuser Fins

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      WHAT OUR CUSTOMERS SAY

      RATED 4.97 (305 REVIEWS)
      LEAVE A REVIEW

      With real reviews from real customers, shop UP products for your Tesla Model S, 3, X, Y and Cybertruck with confidence. Leave reviews and earn up to 2000 UP Rewards points each, redeemable towards exclusive UP Products.

      Excellent fitment, packaging, and overall product. The stock bar compared to UP's is no comparison. Installed on medium setting and will be changing it to the stiffest this weekend, which is extraordinarily easy to do.
      Patrick R. October 06, 2022
      Drove on these for 60,000 miles and they were perfect. Never heard any noise from these and it’s such a great and affordable way to increase the performance of your car easily and without a huge financial commitment. Super impressed with what these could do. Highly recommend.
      zackfeldstein9 October 10, 2022
      I had another set carbon steel running boards on my Cybertruck for a while and finally got to see the UP Invincible HD Rock Sliders while out at XTakeover this summer. They looked so good and were noticeably more sturdy than what I had on the truck. I replaced mine with a set of these HD Rock...
      Josh H. November 17, 2025
      Best modification I ever did to the Tesla combined it with H&R lowering springs pears very well to fix the suspension quality that is given in stock. Easy Job doesn’t take more than 2 hours.
      Pat M. October 09, 2025
      I purchased the entire suspension front and rear adjustable, and fixed spherical bushing arm sets, along with the rear sway bar for my 2022 Tesla Model S. After the complete UP installation, and spec alignment, the car is a different Monster. Not only it is firm and stable at high speeds, but...
      crisonesurf April 21, 2025
      This Ascension-R Racing seat just arrived from Unplugged Performance (https://www.instagram.com/p/Cv8f-5cvDuE/) It looks absolutely well manufactured, high quality and lightweight making it a must have accessory on any Tesla going to the track! Looks stunning and well designed!!
      f1dinesh August 15, 2023
      I purchased the Camber and Toe arm set for my Tesla Model 3. These arms are well engineered, beautifully crafted and built solid. I highly recommend these products made by Unplugged Performance. The craftsmanship of the product and customer support is second to none. Highly recommended! Link:...
      f1dinesh August 08, 2023
      Had a great experience with Andrew from Unplugged, I sent an email request for more information regarding the camber kit and Andrew called me back quickly and discussed the product and how it will improve the tire wear on my model X. He kept in regular communication from the time of order to...
      dominic.orlando84 October 03, 2022
      Getting these installed along with the moderate version of the dual rate springs on my Model 3! Very excited and I cannot wait to see the new look and feel the significant difference.
      Christian N. January 01, 2026
      After installing UP coil overs and sway bars my setup was nice and stiff, adding these end links removed some of that stiffness under normal straight driving but when you get in the turns you feel the sway bars working and keeping you level. I love that these are sealed units that are OEM quality,...
      Jorge (. August 23, 2022
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      Unplugged Performance is the world leader in premium performance upgrades for Tesla vehicles. With our USA-made line of stylish and high-performance parts, our sole focus is on holistic development and improvement of all Tesla cars.
      Unplugged Performance was founded and incubated by the team behind the world-renowned automotive customizer Bulletproof Automotive. Unplugged Performance is the world's leading company focused on the customization and sports performance of Tesla Motors vehicles.
      All of our parts are researched and engineered on our own development vehicles with the intention of improving every aspect of the driving and ownership experience. Unplugged produces an exclusive range of premium upgrades to give a new sporty performance identity to Tesla Model S, Model X, Model 3, Model Y, and the Cybertruck.
      Improving on perfection is no easy task, and to do so Unplugged products are professionally designed, prototyped, and manufactured in-house in Hawthorne, CA, and in collaboration with the best motorsports suppliers. The supercar performance of Tesla vehicles meets supercar-grade enhancements with Unplugged Performance.
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      THESE PRODUCTS CAN EXPOSE YOU TO CHEMICALS WHICH ARE KNOWN BY THE STATE OF CALIFORNIA TO CAUSE CANCER, OR BIRTH DEFECTS, OR OTHER REPRODUCTIVE HARM. FOR MORE INFORMATION PLEASE VISIT WWW.P65WARNINGS.CA.GOV
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