Porsche is telling owners to stop driving one of its high-performance models after two of the cars caught fire.

The notice affects 785 model-year 2014 Porsche 911 GT3s. There are 408 of the cars in the United States.

The GT3 is a sporty two-seat version of the 911 that is often used for racing. Prices for the car start at $130,000. The 911 GT3 can go from zero to 60 miles per hour in just 3.3 seconds, with a top speed of 195 miles per hour.

Porsche said engine damage occurred in the two vehicles that caught fire in Europe. The company is still investigating the fires.

Neither caused a traffic accident or resulted in any injuries.

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The car maker is contacting the owners of the 911 GT3s directly and offering to pick up the vehicles so that it can inspect the engines at a dealership.

In a statement, The National Highway Traffic Safety Administration said it is in contact with Porsche and "aware of proactive steps taken by the automaker to ensure the safety of its customers."