Hudson Italia body by Touring Carrozzeria of Milan

those pipes on the rear quarters are there to house the tail and reverse lights.

Super Leggera means super light, aka made of aluminum

Maserati Bellagio Touring Fastback by Carrozzeria Touring Superleggiera

V8 / 4.244 cc / 400 PS / 333 lb/ft (451 Nm) @ 4.500 / 0 - 62 mph (100 km/h): 5,2 s / Vmax: 171 mph (275 km/h) / One-off collector piece

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Mercedes-Benz 230 SLX Pagode Kombi á la Carrozzeria Frua

S6 / 2.308 cc / 150 PS / 145 lb/ft (196 Nm) @ 4.200 / 0 - 62 mph (100 km/h): 11,1 s / Vmax: 124 mph (200 km/h)

(click images for a larger view)