Arnaud has started driving a kart in 2004, with a second-hand Techno chassis and a brand new Rotax Max. In 2005, he took part in a first race of BMC in Spa-Francorchamps; afterwards he evolves in this category for two seasons. In 2008, he participated in a new challenge hosted by ASAF, the karting Coupe des Champions, with a first win in Mariembourg on a wet track.
Sébastien has started driving a kart in 2004, with a second-hand Techno chassis and a brand new Rotax Max. In 2005, he raced within the Boxer Cup. From 2008, he participated in KZ2 championships.