Unplugged Performance Tesla Model 3 Ascension Rear Bumper Diffuser Fins
- In stock, ready to ship
- Backordered, shipping soon
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)
COMING SOON: Optional Ascension R Rear Diffuser Fins
- Optional Ascension R Diffuser Fins for a more aggressive look with greatly improved rear downforce and efficiency generated by the underbody tunnel.
- The design has been machine-optimized with CFD to produce optimal aerodynamic effectiveness for the track while maintaining easy-to-drive and easy-to-live-with ground clearance.
- Easy to install and remove without removing the rear bumper.
- Produced in prepreg carbon fiber
- These fins are designed only to fit the Unplugged Ascension rear bumper. They will not fit a stock rear bumper.
WITH ASCENSION R DIFFUSER FINS

WITHOUT ASCENSION R DIFFUSER FINS
Processing Time: Orders are typically processed within 1–2 business days. Custom or special-order items may take longer—lead times will be noted in the product description if applicable.
Shipping Methods: We ship via USPS, UPS, and FedEx depending on item size, weight, and destination.
Order Tracking: Once your order ships, you’ll receive a confirmation email with tracking information.
Shipping Restrictions: We currently ship within the U.S. Oversized or freight items may require additional handling time and incur additional charges.
Signature Requirements: Some high-value orders may require a signature upon delivery for added security.
Need Help? If you have questions about shipping before placing your order, contact us or give us a call at (239) 992‑0437.