KYOSTAR Catless Downpipe for BMW F30 F32 F36 G20 G30 B48 2.0T The KYOSTAR Catless Downpipe is designed for BMW B48 2.0T turbocharged engines across F-Series and G-Series chassis applications. This high-flow exhaust upgrade replaces the restrictive factory catalytic converter section to improve exhaust gas flow, reduce backpressure, and enhance turbocharger response for modified BMW vehicles. Manufactured from durable stainless steel with precision TIG welding, the KYOSTAR