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The HKS metal catalyzer is a direct-fit catalytic option for GRF, SH5, BPH and YA5 chassis when installed with the factory front pipe. Supplied to match the original exhaust layout, it replaces the factory catalytic element while preserving fitment and routing. This HKS unit is targeted at owners seeking a straightforward catalytic section replacement for those specific vehicle codes.
HKS MTL CAT GRF SH5 BPH YA5 w/ F-Pipe
