14-16 HARLEY FLHX2: Memphis Shades Replacement Spoiler Windshields For OEM Fairings (8.5") (Smoke) Designed to be looked over, the spoiler windshield diffuses the air stream effectively slowing the flow. Made of Lucite&#174; for best quality and durability. Available in five custom heights 5.5, 6.5, 8.5, 10 and 11.5". Available in: Smoke - A medium bronze tint with 30% visible light transmission. Dark Black Smoke - A black tint with 10% visible light transmission.