ViS Racing lightweight 00-09 Honda S2000 (Mugen) Carbon Fiber Hardtop with tempered rear windshield, OE Style door window seals, and installation hardware brackets. Comes complete and assembled. Simply install onto your car. 36lbs with glass and seals for SINGLE CF/FRP. OEM steel hardtops weigh 52lbs or more. This is a light weight hardtop comparable with an actual Mugen Hard top with a plastic window. Carbon fiber hardtop. UV coated and protected which allows the top to hold its high gloss finish. This is by far the most comparable product to Mugen Power Carbon Hard top which retails for $12,000usd with a plastic glass.