FI Exhaust 2019-2022 Mercedes-Benz CLS53 AMG (C257) Valvetronic Exhaust System

Learn more about Fi-Exhaust - Click Here Frequency Intelligent Exhaust aka Fi EXHAUST is the world's first-rate aftermarket automotive exhaust brand which specializes in exhausts for supercars, sports cars, and high-performance vehicles for marques such as Lamborghini, Ferrari, McLaren, Porsche, Mercedes-AMG, BMW M, Audi, Nissan, and others. From the outset, Fi R&D team has consistently engineered high-quality exhaust systems for car enthusiasts, who pursue superior sound and performance and require an exhaust system that will perform in all conditions. That’s why Fi EXHAUST products are made to produce maximum optimized performance. Fi produces a beautiful tone from deep bass to an exotic high-pitched Formula One racing sound depending on a car model's requirements. And to achieve this optimized state every exhaust system is carefully sound-tuned and undergoes rigorous testing to a specific frequency with our intelligent control system.