HARD Motorsport Spec E46 EGR Block-off Plates for Required M52 Headers
Our EGR Delete plates block the EGR ports on OBDII E36 Headers. These are necessary if you remove the Secondary Air Pump (SAP) or upgrade your OBDI car with OBDII headers.
Perfect solution for track builds. These can also be used when installing S52 headers on an M54 E46 For SPEC E46 Race Cars
Optional gaskets available if you don't already have your own. They come in pairs (Recommended)