It doesn't have an engine, but it's a rare piece of Ferrari history nonetheless.

Ferrari’s new 812 Superfast is – for lack of a better phrase – super fast. Equipped with a 6.5-liter V12, the 812 pumps out a massive 800 horsepower (588 kilowatts) and records a top speed in excess of 211 miles per hour (340 kilometers per hour). But none of that ridiculous speed would have been possible if it weren’t for that sleek design.

Sculpted by designer Ignacio Albera, the 812 was tested extensively inside the wind tunnel, and now the company is offering up for sale a crucial element used in the aerodynamic testing process. This Ferrari 812 Superfast wind tunnel scale model is heading to auction next month as part of the RM Sotheby’s Leggenda E Passione sale.

Gallery: Ferrari 812 Superfast Wind Tunnel Model

Though it lacks an engine, or drivetrain, or steering wheel the scale model is finished in hand-sculpted carbon fiber along with other unnamed "prototype materials." The half-scale model was used in different stages of development in production of the 812 Superfast, including testing of computational fluid dynamics results inside the wind tunnel. The model even maintains its original modularity used to optimize the aerodynamic properties on different portions of the body.

Estimates suggest it could go for anywhere form €280,000 to €320,000 ($333,000 to $380,000) when it crosses the block, which seems expensive for a supercar you can’t even drive. The standard 812 Superfast, engine and all, can be had for $315,000 in the U.S.

The RM Sotheby’s Leggenda E Passione sale will take place Saturday, September 9th at Ferrari headquarters in Modena. This will be the largest RM Sotheby’s Ferrari auction to date, and will include a number of other unique offerings, including a Ferrari Daytona ‘Alloy’ barn find that could fetch as much as $2 million.

Source: RM Sotheby's

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The 812 Superfast’s aerodynamic design is part of Ferrari’s ongoing commitment to continually improving performance with each new model, both in terms of speed and vehicle dynamics for a more exhilarating driving experience. The development guidelines aimed to achieve exceptionally high aerodynamic efficiency figures through improving of the downforce that influences a car’s stability without increasing drag.

This original 812 Superfast wind tunnel model is handmade with carbon fibre and other prototypal material. This is the original 1:2 scale aerodynamic model used during the different stages of development, including to test and improve the computational fluid dynamics results inside the wind tunnel. This model also maintains its original modularity used to optimize the aerodynamics of different areas of the Superfast.