Godspeed Civic Integra B16 B18 T3 Flange Equal Length Manifold (Ram horn style) 321 stainless steel, high quality finishing 2.1 mm wall thickness ( will not crack like the cheap ones out there ) 38 external wastegate flange, t3 flange fits t3 and t3/t4 hybrid turbos fits all B16 B18 ( CIVIC INTEGRA, B16 B18 VTEC DOHC )