Description: These 409SS up-pipe kit was designed to replace the poorly designed OEM standard equipment up-pipes with donut gaskets that typically leak.
Description: These 99.5-03 7.3L 409SS up-pipe kit was designed to replace the poorly designed OEM standard equipment up-pipes with donut gaskets that typically leak.
Description: These 409SS up-pipe kit was designed to replace the poorly designed OEM standard equipment up-pipes with donut gaskets that typically leak.