The Jekill and Hyde Company is the world's fastest growing manufacturer and supplier of electronically adjustable exhaust systems. We produce the highest quality electronically adjustable exhaust systems in the world. Our systems are street legal and have a European type approval as well as being TUV tested. Our products are a result of German engineering and Dutch craftsmanship. With our headquarters in the Netherlands, more than 80 employees across the world and more than 8 foreign offices we provide motorcyclists with the absolute best exhaust system in today’s market. In sound, aesthetics, quality and performance Dr. Jekill & Mr. Hyde exhausts are second to none.