Tesla Model S Plaid Facelift II Pre-Preg Carbon Fibre Rear Diffuser by Adro (2021+)
Tesla left the rear of the refreshed Model S deliberately understated. Adro's Carbon Fiber Rear Diffuser is the answer for owners who want to keep the car's clean lines intact while adding the visual weight and aerodynamic intent the factory design holds back on. Aggressive fins, deep channels, and a sculpted lower face turn an otherwise flat rear valance into something that finally matches the performance underneath.
The part itself is laid up in genuine prepreg carbon fiber — the same construction process used in motorsport bodywork — for a panel that's stiffer, lighter and more dimensionally stable than the wet-laid carbon you'll find on cheaper alternatives. The weave is straight, the resin is even, and the autoclave-cured surface holds a deep, glass-smooth gloss that complements Tesla's paint palette rather than fighting it.
Underneath the surface, this is a properly engineered piece. Adro mapped the Model S underbody using 3D scanning, then ran the diffuser geometry through CFD simulation to refine the fin angles and exit profile. The result is a part that smooths airflow off the underbody, cuts rear-end turbulence at speed, and adds a measurable contribution to high-speed stability — not just a cosmetic shell.
Why it earns its place
- True prepreg construction — autoclave-cured carbon for higher strength-to-weight, tighter tolerances, and a finish that holds up.
- Direct OEM fitment — designed around scanned reference data, so it bolts on with no cutting, trimming, or panel adjustment.
- CFD-developed geometry — fin spacing and exit angles optimised in simulation to manage underbody flow and trim drag.
- Aggressive but coherent — sharp enough to read on a show floor, restrained enough to look like Tesla could have built it.
What's in the box
- 1 x Adro Carbon Fibre (pre-preg, 2x2 weave) Rear Diffuser
- 3M Adhesive Tape
- Mounting Hardware
Compatible models
- Tesla Model S (2021+)
Finance
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Klarna
Select 'Klarna' at checkout to benefit from a number of finance options at checkout including:
- Pay Later - Delay payment by up to 30 days, interest free
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- 6 months - Interest-free Credit- Minimum: £250- Maximum: £5,000- 0% down payment/deposit
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- 10% - 50% down payment for orders between £1000.01 and £5000 - 24 months - Interest-bearing Credit - 18.9%- Minimum: £250- Maximum: £5,000
Deposits are available and determined by the customer:
- 0% down payment for orders between £250 and £1000 (orders cannot be below £250)
- 10% - 50% down payment for orders between £1,000.01 and £5,000
Klarna's Pay in 3 / Pay in 30 days are unregulated credit agreements. Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit. 18+, UK residents only. Subject to status. Ts&Csand late fees apply.
Clearpay
Clearpay lends you a fixed amount of credit to allow you to pay for your purchase over 4 instalments (T&C's and eligibility criteria apply). They're ideal for purchases under £1000 and always offer interest-free*. For more details on how to use Clearpay to secure your order, get in touch with our team.
0% Interest. Select 'Clearpay' at checkout.
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Frequently asked questions
Yes! We offer installation services. Please contact our customer service team and we can provide a fitting quote for you.
All products sold on the AUTOID store are delivered with a minimum 6-month guarantee from ourselves.
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WHY BUY FROM AUTOID
AUTOID is the leading destination for BMW M, Audi & VW aftermarket styling & Premium Carbon fibre upgrades. From front splitters and rear diffusers to intakes, exhausts and interior accessories, we deliver only the highest quality parts that transform your cars look and feel. Trusted by thousands of enthusiasts worldwide and rated 4.85/5. We back our products up with expert advice, fast worldwide shipping and a passion for innovation & vehicle styling.