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Tesla Model Y Juniper Carbon Fiber Efficiency Trunk Spoiler Unplugged Performance
Tesla Model Y (2026+) Efficiency Trunk Spoiler
$645.00

Tesla Model Y (2026+) Efficiency Trunk Spoiler

$645.00

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Gain subtle aero that works every day with the Efficiency Trunk Spoiler for the 2026+ Tesla Model Y. Designed and refined through 143 CFD simulations, this upgrade delivers real aero gains with an OEM plus look.

Buy this product and earn 645 UP Points.

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SKU: UP-MYJP-544-7.1
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Product Details

Give the rear of your 2026 and newer Tesla Model Y the clean, purposeful finish it deserves with the Efficiency Trunk Spoiler. Designed specifically for the Juniper generation only, this spoiler extends the rear profile to create a subtle long-tail effect that smooths airflow off the decklid. The result is a sharper OEM plus appearance paired with real aerodynamic benefits you can feel on the road, highways, in crosswinds, and through long sweepers.

Tesla Model Y Juniper Carbon Fiber Efficiency Trunk Spoiler Unplugged Performance

CFD development and real-world benefit

This piece was developed through 143 CFD-driven simulations to ensure it delivers more than a styling change. At the rear of the Model Y, air traveling over the roof and glass meets the decklid in a high-pressure zone. The spoiler manages that area by delaying flow separation and gently raising pressure over the decklid so the air leaves more cleanly. Smoother release means a calmer wake and lower aerodynamic drag. In practical terms, the car needs a little less effort to move through the air and feels more composed during lane changes and long, fast curves.

Tesla Model Y Juniper Carbon Fiber Efficiency Trunk Spoiler CFD Simulation Unplugged Performance

Trim-Specific Aero Gains Combinations:

Model Y Performance 2026+

The Rear Diffuser Extension, Rear Fins, and Efficiency Trunk Spoiler are designed to work as a team. In our CFD development testing, the Diffuser Extension plus Efficiency Spoiler helped the car slip through the air more easily and feel more planted, cutting drag by about 40 newtons (around 2.4%) and increasing overall downforce by about 534 newtons in a 30 million cell transient CFD model. Adding the Rear Fins helps the air stay attached longer along the sides, which supports pressure recovery at the rear and lets the diffuser and spoiler work more efficiently.

Dual Motor Long Range and RWD options

Do you have a Standard, Dual Motor Long Range or RWD Model Y? You can still capture meaningful efficiency gains. Combine the Rear Fins and the Efficiency Trunk Spoiler that are matched to your trim. When you add them together, the duo works together to keep air attached along the sides, guide it off the decklid more cleanly, and add balanced support at the front.

Factory-style, reversible installation

Installation follows the standards of our Model Y Aero Package. The spoiler uses factory mounting locations and a clean, reversible process with no cutting or drilling required. Fitment is precise, edges align with surrounding panels, and returning the car to stock takes only minutes.

Materials and finish

The spoiler is available only in black to match the factory-plus look.

Build your system

For a balanced, OEM plus result with your Tesla Model Y Performance, pair the Efficiency Trunk Spoiler with the appropriate Front Splitter, Front Canard Set, Rear Fins, and the Rear Diffuser Extension. Finish the look with Carbon Mirror Covers for a cohesive theme from every angle.

Tesla Model Y Juniper Full Aero Package Unplugged Performance

Key Specs:

  • Fitment and compatibility
  • Vehicle: Tesla Model Y 2026+ (Juniper)
  • The Efficiency Trunk Spoiler is compatible with the following trims: Model Y Dual Motor Long Range, Launch Edition, Rear Wheel Long Range, and Performance

Performance: compatible with Rear Bumper Diffuser Extension and Rear Fins as a combo

Standard RWD / Premium AWD or RWD: pair with Rear Fins and the Efficiency Trunk Spoiler for your trim

Not sure what fits your vehicle? Contact our team and we will confirm compatibility before you order.

Customer Reviews

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      Frequently Asked Questions - F.A.Q.
      Everything you need to know about this product before you buy.

      What does the Unplugged Performance product warranty cover?

      Unplugged Performance offers a comprehensive warranty on all parts and installations performed by our certified technicians. Warranty coverage applies to defects in materials and workmanship on items including lowering springs, coilovers, big brake kits, brake pads, stainless steel brake lines, shocks, and more. Should any covered part fail under normal use or display premature wear, we will repair or replace it at no additional cost—assuming the component was installed by us or at one of our authorized partners.

      This warranty is valid for 2 years or 24,000 miles, whichever comes first, excluding consumable products like brake pads, rotors, and tires, starting from the installation date. Coverage extends to labor for warranty repairs when performed by Unplugged Performance or an authorized installer. It does not cover damage resulting from misuse, accidents, off‑road use, improper installation not done by us, or modifications that aren’t factory-approved.

      To file a warranty claim, simply contact our service team. We’ll guide you through inspection, shipping (if needed), and repair or replacement logistics. transparencia and top-tier support are what you can expect from Unplugged.

      Will installing Unplugged Performance parts void my Tesla warranty?

      Installing aftermarket parts does not automatically void your Tesla warranty. Under the Magnusson-Moss Warranty Act (www.sema.org/sema-enews/2011/01/ftc-validates-right-to-install-aftermarket-parts), a manufacturer cannot void your warranty simply because you installed aftermarket parts. Tesla must prove that the aftermarket part caused the specific failure in question to deny a warranty claim. UP recommends retaining all factory parts to allow reverting to stock if needed. 

      What are the shipping options and times?

      Unplugged Performance processes orders quickly, typically within 1–2 business days after placement. For U.S. customers, orders under $50 usually ship via FedEx SmartPost with an estimated delivery time of 2–7 business days. Larger items like body kits or bumpers may ship via freight carriers with curbside delivery; customers will be contacted to schedule a delivery window. International shipping is available to most countries, with shipping costs calculated at checkout. Delivery times abroad vary, generally ranging from 5 to 16 business days depending on destination. Import duties or taxes are the customer’s responsibility. To ensure a smooth shipping experience, provide accurate contact information during checkout. For specific questions or shipping quotes, Unplugged Performance’s support team is available to assist.

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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.
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