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Worldwide Direct. Premium Parts at Your Doorstep.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Elevate the aggressive stance and aerodynamic profile of your Tesla Model 3 with the CMST Carbon Fiber Rear Diffuser Ver.1. This precision-engineered add-on diffuser is designed to enhance rear-end downforce and visual impact, delivering a track-inspired look that complements the Model 3's modern lines. Crafted by the renowned CMST brand, this diffuser is a direct-fit upgrade for the Tesla Model 3, providing a seamless and high-quality modification.
Constructed from authentic, high-grade carbon fiber, this diffuser combines lightweight strength with exceptional aesthetics. Each piece is finished with a durable UV-protection clearcoat to guard against fading and environmental damage, ensuring the signature weave stays vibrant for years. The standard offering features a classic 3K (2x2) gloss weave, with premium forged carbon and matte finish options available for a truly custom appearance.
All CMST carbon fiber parts are supplied with the AME Motorsport guarantee of quality, fitment, and customer service.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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