A header would make no sense if he was going turbo. The build quality would definitely come into play as far as longevity. I would stick would the stock manifold too.
Hector
2003 Rally Red Mitsubishi Evolution VIII
257HP/259TQ
2005 Lapis Blue Mazda 6s
RET: 00 Cabernet Red Ford Contour Zetec ATX SUPERCHARGED
160HP/141TQ
