Manufactured by Street Scene | 950-70147 | Chevy Silverado/GMC Sierra 99-06 Gen 6 Holey Rollie Roll Pan Urethane, Exhaust openings are 4" Round. Made from tough, flexible urethane., Street Scene Equipment offers a wide variety of body styling upgrades including everything from Chin spoilers, to bumper covers and side skirts. Most of the body styling upgrades are manufactured from tough flexible urethane for a long, trouble free life. Product information updated on 2023-01-23