Part #: SUIM4WRXSTIH1GB.3M. This complete set includes an extension of the rear window with 3M tape. The product is crafted from ABS plastic, a material specially developed for the automotive industry. It's used in factory bumpers and other car body parts. ABS products are known for their high strength and flexibility. Delivery info: We process orders from Monday to Saturday and send goods in top - notch condition. All goods are insured against transport damages. Check the package for damages before signing. Report any damages to the courier and make an insurance claim. Note: All Maxton Design products are in GLOSS BLACK. Verify your vehicle matches the pictures before buying.

Using this Maxton Design rear window vortex generator is easy. First, clean the area on the rear window where you'll attach the extension. Then, carefully peel off the backing of the 3M tape on the extension and press it firmly onto the window. Make sure it's properly aligned. When receiving the product, always check the package for any damages before you sign for it. If there are damages, tell the courier right away so they can note it on the delivery receipt. You can then make an insurance claim. As for maintenance, just wash it with a mild car soap and water. Avoid using harsh chemicals that could damage the ABS plastic or the gloss black finish. Also, before buying, double - check that your 2015 - 2021 Subaru WRX or STI matches the product pictures.