The HKS metal catalyzer for CZ4A 4B11 applications is a vehicle-specific catalytic unit designed to integrate with the original exhaust routing. Provided to fit the CZ4A chassis, it replaces the factory catalytic section while preserving fitment and alignment with downstream components. This HKS part is intended for straightforward replacement on the named platform.
HKS MTL CAT CZ4A 4B11