D series exhaust manifold, made out of stainless steel material.
vehicle applications:
Between year models 1988-2001
EK hatch/sedan/coupe - D16Y4, D16Y8, D16Y5, D16Y6
EG hatch/sedan/coupe - D16Y1, D15B7, D15B4, D15B
ED hatch/sedan/coupe - D15B7, D15B, D15B4, D15B