Intercooler Pipe & Hose Kit for Ford F250 F350 E350 (1999.5-2003) 7.3L PowerstrokeHigh Flow Intercooler Pipe & Hose Kit for Ford F 250, F 350, E Series, Excursion (7. 3L Powerstroke) What it Does: Replaces the restrictive factory charge piping and degradation prone rubber boots to lower intake temperatures, improve turbo spool, and reliably hold higher boost pressures. The Stock 7. 3L Powerstroke Boost Leak Problem The factory intercooler piping and boots on the 1999. 5 2003 7. 3L Powerstroke are notorious weak points when