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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

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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

      Unplugged Performance

      WHAT OUR CUSTOMERS SAY

      RATED 4.97 (301 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.

      I recently purchased the UP-03 Race Spec Wheels for my Tesla Model 3 from Unplugged Performance. Although the wheels look great and undoubtedly enhance the driving experience, I encountered a few issues during the process. Firstly, I was not informed that I would need spacers for the UP validated...
      David S. April 19, 2023
      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
      Installed this on my CyberBeast in my own garage. The instructions provided were top notch with outstanding attention to detail. I installed the bar in the middle position. On the first turn I noticed the decrease in body roll. The turn in and mid turn stability is much improved. I am very...
      nitrous87 June 17, 2025
      Got these with my order of Moderate Springs and Street/Track Sway-bars and they do what they are intended to do. Got my alignment darn near within spec which will help with tire wear. I haven't had them for long so I can't comment on durability but they sure are built sturdy as hell. If you are...
      850arrrsaylikepirate December 19, 2022
      Sway bars changed behavior of car. It was straight forward to install. Thanks to the Unplugged team for providing guidance on the correct way to setup sway bar with the adjustable end links. Very happy with product!
      juanlop687 May 09, 2023
      Loved the dual rate feature. A more comfortable ride for daily driving and a stiffer more controlled feel for spirited driving!
      Andrew P. August 23, 2022
      I've just transformed my Cybertruck into an even more formidable beast, and let me tell you, this is the upgrade you didn't know you needed until you see it. The installation was as straightforward as it gets - a quick clean with alcohol, peel off the tape, press, hold, and voilà! It was like...
      Richard S. February 08, 2025
      Incredibly well tuned for the Model 3. My car is completely flat and on rails through every turn. Very firm in all settings yet still just comfortable enough to daily drive in the first 4 clicks with the oil bypass feature. Super easy to adjust back and forth from weekend driving to daily driving....
      Andrew P. November 03, 2022
      I decided to upgrade the stock sway bars on my Model 3. Unplugged Performance installed these adjustable sway bars and overall the car handles nice and tight. The handling does feel tighter and more responsive. Definitely got rid of the body roll which I am happy with. Big difference in...
      epampo55 September 21, 2022
      Great product. The lines are professionally made, the brackets lined up perfect to the factory spots.. Straight forward install for the basic mechanic. Pedal felt more consistent afterwards.. After installing the lines.. The brake bleed procedure via Tesla is as follows: Brake bleeder kit set...
      Robert M. October 10, 2022
      Great emblem to have installed and matches OEM emblems.
      Christian N. December 04, 2025
      These springs are a game changer. Completely revamped my M3 from a performance and cosmetic standpoint. Soft/comfortable during your daily commute and stiff/precise during "spirited" driving. Cabin noise is also drastically reduced. Cannot recommend this product enough. Call and ask for Kirk Nason,...
      Jordan C. June 09, 2023
      I bought 2023 Tesla Model Y in December 2022 and immediately noticed rough and bumpy ride. I contacted Tesla service, assuming that something is broken, but they confirmed that this is how stock suspension supposed to feel. Fortunately an aftermarket solution exists. I ordered Luxury Coilover Kit...
      dmitryshnayder July 12, 2023
      These brakes perform great and I should have upgraded to these a long time ago. Pedal travel with with the included brake lines are much improved as well.
      Quan February 01, 2023
      I purchased the Up03 wheel setup for my Model X Plaid in 20x10.5 square. Coming from the stock 22-inch wheels, there was a massive improvement in weight savings, and the car feels more responsive with superior ride quality. I’ve also noticed a significant increase in range. My sales rep, Kirk, was...
      Sanju G. November 20, 2024
      These dual rate springs were the most noticeable and effective upgrade I've made to my Model Y. Much better handling and comfort compared to the stock standard rate springs.
      davidseldenbrooke March 02, 2023
      Bryan L. December 05, 2025
      Updated 1 month review of Model Y luxury suspension upgrade. Totally pleased. Huge difference in the comfort of the ride.
      gabushman August 27, 2025
      I love my brake kit! One of the only things I didn’t like about my Model S Plaid was how under braked it was and these made a massive difference. By far the best upgrade I have made so far. I plan on tackling my suspension next.
      jorgend271 September 23, 2022
      We got these (BBK) installed on our S Plaid was the best think we could have upgraded first. They feel so great when stopping on the big end on the tracks, So much light weight as well from the factory stock brakes. Thanks
      '@EvSmokeATX November 10, 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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