Conventional exhaust systems suffer from condensation, especially when the car is not used on a regular basis. In that case corrosion occurs and shortens the life span of your exhaust. A high-grade steel exhaust system does not rust. The exhaust systems are fabricated of high-grade steel type AISI 304 (1.4301) and 409 (1.4512). The company has more than 30 years experience and ensures a maximum of quality and durability.