Heavy Breather: A KTM RC8 with the mother of all filters

A lot goes down at EICMA every year. For father and son Dino and Marios Nikolaidis, it's a chance to travel from Greece to Italy and represent their booming family business, DNA Filters. Then last year, they noticed the growing modern custom scene, and decided to build a bike themselves. They don’t do things by halves. Dino's a mechanical engineer, Marios is a motorsport engineer, and both are well versed in CAD/CAM design. And the DNA factory in Athens is loaded with everything you need to build a killer custom—including state-of-the-art CNC machines. It took Dino and Marios two weeks...