The phrase "rear valence" refers to a part of a car's body kit that is located at the back of the vehicle, usually below the bumper. It helps to enhance the aerodynamics and overall appearance of the car. Full definition
Equipped with fold - down rear seats, dual exhaust with rear valence cutouts and fresh Chrome Steel - styled wheels. (barrett-jackson.com)
The signature 7 - slot upper front grille is flanked by adaptive, bi-xenon HID headlamps, while in the back, a Gloss Black rear valence showcases the Black Chrome quad exhaust tips. (jeep.ca)
Flared side sills help build character, as does a muscular rear valence panel, which bears some resemblance to that used on XKRs built with the optional Speed Pack. (automobilemag.com)