TURBO DIESEL EXHAUST Y-PIPE & BELLOWED UP-PIPES FOR 1999-2003 FORD 7.3L. Doctor Diesel Turbo Diesel Exhaust Up Pipes & Gaskets 1999.5-2003 Ford Powerstroke 7.3L. The escaping exhaust and heat from the deterioration eventually burn out the feed pipes causing loss of turbo drive pressure and increased EGTs.
