Although Bavarian engineering marvels are known as "The Ultimate Driving Machines," there are still areas that could 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 high-quality product that improves your cars performance and enhances your driving experience.