This part is a good, used C4 EGR Crossover Pipe (Bolt-on Design) which can be installed on any of the following Corvette models:
Body & Trim
35th Anniversary Edition, Base
NOTE: This pipe bolts to the intake and bolts to the exhaust manifold.
NOTE: The silver heat shielding around the pipe is usually worn and may need to be replaced.
GM Part Numbers:
1990 to 1991
1987 to 1989