Downpipe kit + Metallic catalytic converter

HJS High-Volume Metallic cat., 130mm, 100 CPSI.

Maximum flow, same performance increase as the Supersprint straight-pipe, cat deleting race system, great efficiency in decreasing emissions, lower engine operating temperature.

CAUTION: Reprogramming / adaptation of the Engine ECU is necessary when fitting the turbo downpipes (with or without cat) to avoid electronic issues connected to the turbo pressure.