2021 - 2025 Toyota Sienna Thunder Style PP Rear Diffuser with Tips

Take your 2021-2025 Toyota Sienna’s rear styling to the next level with this premium rear diffuser upgrade. Designed for a sporty, refined finish, this diffuser enhances your vehicle’s stance while improving airflow aesthetics. It comes complete with a pair of tips to complete the aggressive rear look, giving your Sienna a more custom appeal.

Constructed from durable PP material, this rear diffuser kit installs cleanly and securely, offering both visual impact and functional improvement. It’s a great choice for drivers seeking a quick, stylish rear-end upgrade.

Fitment: 2021-2025 Toyota Sienna
Package content: One rear diffuser, one pair of tips
Stock Information: In-stock items ship in 2-3 business days. Pre-order items ship in 6-7 weeks via air or 3-4 months via container.

Made To Order Shipping Information Made-to-Order Items: If a material option shows "MADE TO ORDER", it means that specific option is currently out of stock and will be produced upon order. Customers can choose from the following shipping methods: * Standard Shipping And Handling (no extra cost) with an ETA of 3-4 months. * Expedited Shipping And Handling (additional cost: $550) with an ETA of 5-6 weeks. In-Stock Items: If a product does not display "Made To Order" when selecting a material option, then it is in stock. It will be shipped from our warehouses within 3-5 business days, plus shipping time.

United States: Free shipping available to the lower 48 states across all items. Other states will incur a shipping charge.

Worldwide: Free shipping is available for Complete Headlights, Taillights, DRLs. For custom headlight retrofits, carbon fiber products, and performance products, there will be a shipping charge.  

Please note:
• For Retrofits, you are purchasing a headlight modification service.
• If you select "Shipping own headlights to BayOptiks for modification", you are required to send us your headlights.
• If you choose "Purchase new OEM headlights", we will order and modify a new OEM headlight for you.
• Once your customizations are complete, we will ship it to you!

• Complete Headlights: 3-5 business days for order processing plus shipping time.
• Custom & Pre-Built Headlights: 6-8 weeks depending on the complexity and component availability.
• New OEM and cores: 6-8 weeks plus an additional 4-8 weeks as these are special orders base on the vehicle VIN due to different versions (North American, European, etc.)
• DRLs, Taillights, Brake Pads, and Carbon Fiber Aero: 3-5 business days for order processing, plus shipping time.
• Lens Replacements: 1-3 weeks plus shipping time.

Please note, we do not have control over the time frames of our vendors, manufacturers, and delivery services as they may delay processes in regards to components and shipment.