APDTY 780116 Powerstroke 7.3L Turbo Up-Pipe Set w/Hardware & Gaskets Fits Ford 7.3L Diesel (Upgraded Design w/Bellows & Steel Gaskets) (Replaces F4TZ6K854C, F4TZ6K854F, F81Z6K854EA, F81Z6K854FA) Meets Or Exceeds OEM Specs Factory OEM Fit Form And Function