Radium EGR Delete Kit - Toyota Supra JZA80 (2JZ-GTE)An exhaust gas recirculation (EGR) system transfers hot exhaust gasses back through the intake manifold in order to lower nitrogen oxide emission levels. However, the EGR inevitably increases intake temperatures and dilutes the necessary oxygen to produce horsepower. This kit seals all related ports when the factory EGR system is removed from the engine. This includes ports in the intake manifold, cylinder head, and vacuum ports. Furthermore, it