Although the Engineering marvels coming out of Bavaria are known as "The Ultimate Driving Machines," there are still areas that can benefit from further refinement. The exhaust system is one of those overlooked areas, that when given some careful attention can yield: increased horsepower & acceleration, improved exhaust note and enhanced styling. At Stromung we apply our proven laminar flow techniques with quality materials from the United States and Germany (not China), to achieve a truly quality product which improves your cars performance and enhance your driving experience.