6 Cylinder 30 Series & 50 Series Cars. Looks like they might have all for the big Eagles and only missing the pipe between the converter and muffler for the little Eagles.
http://www.walkerexhaust.com/VehicleTypeScrn.aspSome SX/4 prices for your exhaust research. All from Advance Auto (Parts America)
44887 Header Pipe (Auto Trans) $73.48
Converter - Range from $60 on up to hundreds.
Intermediate Pipe is not available
Muffler -- several are available from about $25 up to $80 -- Maremont has a 5 year one # 157691 for $26
44674 Over Axle/Tail Pipe $22.96