Porsche 911 GT1 Straßenversion owner's manual video highlights the rare hypercar.

The Porsche 911 GT1 Straßenversion was Porsche's hypercar of the 1990s, filling the gap between the 959 and the Carrera GT on the time line. But the car, a homologation special, was also a barely civilized racing car, and DK Engineering has created an owner's guide video to explain its quirks.

The GT1 Strassen version derives from the FIA's GT1 class; to achieve GT1, Porsche combined the chassis of the successful 962 racer with 911 bodywork. Homologation rules required 25 road cars, but only 21 were reportedly built.

Long before the Tesla, the 911 had a front compartment for luggage storage. In the GT1, however, most of the space is taken up by a fuel tank taken from a 964-generation 911. The battery and washer bottle are also located in the front, just like in a regular road car; a second, smaller compartment is located at the rear of the car.

The entire back end also lifts up to access the engine. The rear spoiler is used as a handle to pull the rear clamshell section, which is locked by a pedal.

Open everything up and there is the GT1's mid-mounted 3.2-liter twin-turbo flat-six engine. Porsche estimates the road car's 0-62 mph acceleration at 3.9 seconds, and the GT1 Evo race car reportedly hit 200 mph on the Mulsanne Straight at Le Mans.

Like a regular 911, the ignition is located on the dashboard, but unlike other 911s, the GT1 has a huge air scoop that runs through the roof between the seats. So if you decide to get a GT1 to park alongside a McLaren F1 or Mercedes-Benz CLK GTR, watch your head when you get in.