The X-Bow GTX is KTM’s newest addition to its lineup of track cars and is their most extreme iteration to date while maintaining the KTM DNA of lightweight racecars. Made completely from carbon fiber in collaboration with Reiter Engineering the GTX weighs just 2,200 pounds with an Audi 2.5L engine producing 530 horsepower. This creates a stunning power to weight ratio of 2kg per horsepower.