Shafer's Classic Reproductions 910-73037 Features:

• All 409 with 2-4 bbl. and factory cast iron headers with 2-1/2" exhaust
• For use with cast iron headers that dump in the rear
• If using cast iron manifolds that dump in the center see system # 73000
• System has 2-1/2" exhaust pipes and 2" tailpipes
• Clamp and hanger kit 72030 sold separately
• Comes with stock mufflers.