DTR Design B Series 4-1 under pan. 44mm to 48mm 2 step header 64mm exit for 2.0 displacement engine. 304 stainless construction using 3/8 head flange, 2 bolt JDM exit flange with supplied donut gasket. Will fit EG/DC/EK/EF with B series
* will not clear AC
* recommended half core radiator only