Hyperflow Exhaust Cat Pipe Section OnlyThis pipe is only suitable for the Hyperflow Exhaust TurboXS V2 Down Pipe and will NOT suit any other exhaust Down Pipes. Wanna squeeze some extra power from you exhaust but still need to pass emissions testing? The Hyperflow Exhaust Catalytic Convertor Pipe is the answer for you. Larger diameter piping, with all necessary bungs for sensors and a high flow steel mesh catalyst ensure performance and compliance. For those who bought catless but need to