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For 2021-2025 Lexus IS300 IS350 CTM V1 Gloss Black Rear Diffuser + Corner Extensions
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Upgrade your Lexus IS300 or IS350 with this Gloss Black CTM Design Rear Bumper Diffuser and Rear Extension Kit. Featuring V1 style shark fins and winglet design extensions, this kit adds an aggressive and aerodynamic rear look while maintaining a sleek, integrated appearance.
Fitment
Fits 2021-2025 Lexus IS300 & IS350 All Models
Will not fit IS500 model
Please check exhaust opening before purchase
Technical details
100% brand new
CTM V1 style shark fin rear bumper diffuser with winglet rear extension
Advanced vortex aerodynamic design for aggressive rear styling
Direct add-on diffuser and rear extension with excellent fitment
Dual exhaust opening setup, fits original exhaust tips (check size for aftermarket exhausts)
Made of lightweight, durable PP material
Glossy black painted finish, protective film must be removed to reveal gloss
Instruction not included, drilling required at the bottom
Extra double sided tape, screws, and washers recommended for installation
Professional installation highly recommended
Package Includes
1 Piece Gloss Black CTM Design Rear Bumper Diffuser
Order in the next today:
To receive your package between
and
Shipping Policy
- Free Shipping in the US, except for Hawaii, Alaska, Puerto Rico.
- No Shipping for Hawaii, Alaska, Puerto Rico.
- The products are located in our warehouse in Chino, California, US.
- Handling Time: the purchased items are sent within 1-2 days after the receipt of payment.
- Delivery time in the US: The majority of orders will be fulfilled within 5-8 days. The choice of courier, such as UPS, Fedex, or USPS (with tracking), will depend on the size of the item.
- Due to item availabilities, certain products may be delivered within 15-25 days or 25-35 days in the US. The specific delivery timeframe is indicated in the product listings
- Delivery time to Canada: The orders will be fulfilled within 7-10 business days and subjected to the following postages:
- 0.0001 kg to 5 kg CA$15.00
- 5.0001 kg and above CA$30.00
- Tracking information will be sent automatically to your email after the order has been shipped. You can check the tracking status on the corresponding courier's website.
- For other countries, please contact us for the delivery time before order. And it will be subject to the extra postage.
For any further inquiries regarding the shipping, please feel free to contact us via sales@autunik.com
Q1. How soon could I expect the reply for the inquiry?
Your email will be answered within 24 hours. It may take longer during weekend and holiday.
Q2. How long does the delivery take?
Handling time takes 1-2 days after receipt of payment.
Delivery Time: The majority of orders will be fulfilled within 5-8 days. The choice of courier, such as USPS, Fedex, or UPS (with tracking), will depend on the size of the item.
Due to item availabilities, certain products may be delivered within 9-14 days or 25-35 days in the US. The specific delivery timeframe is indicated in the product listings
Q3. How to return the package without reason?
To return the purchased item, within 30 days since the day of delivery. Please contact us via sales@autunik.com before return. The returned item must be in a good and new conditions. For items that are not eligible for return, pleae refer to our Return & Refund Policy.
Q4. Any further question?
You could use our contact form.

