WHY SIDE SKIRTS? - Side Skirts decrease the pressure under the car with a resulting increase in downforce. Enhance tires grip and help better handle. Compatible with: Compatible With 2016-2021 Honda Civic (4Dr Sedan) Including Si Style: AVS Style Color: Unpainted Black Material: Factory Grade Plastic - Polypropylene (PP) Package Includes: 1x Pair of Side Skirts Installation Instructions: Not Included Notes: 1. Please carefully check fitment before purchase. 2. Professional installation is highly recommended. Free-motor strives to win your satisfaction by offering various and excellent auto-part goods, services and replacements. Please feel free to send us a message if you need any additional information about our products.