See our other listings. EST, MON to SAT. Ultra Direct Fit Converter. Walker(R), an industry leader for many popular European, Asian and North American vehicles, offers Walker(R) Ultra(R) Direct Fit Catalytic Converters designed for OBDII (1996 and newer) vehicles. They are engineered for specific vehicle emissions requirements, and feature a high load of precious metals, optimal substrate content, and a …Read more »