Replaces the factory exhaust up-pipes (exhaust manifold to the turbo) which are prone to leakage due to the deterioration. New stainless steel gaskets are included to replace the factory crush donuts. BD up-pipes are designed to minimize restriction to the turbo utilizing internally shielded expansion bellows. The turbo Y-adapter is made from high-silicon ductile iron. The BD up-pipes are a durable, longer-life replacement for this common PowerStroke problem and are perfect as an upgrade while performing other engine or transmission repairs. FEATURES Ductile cast iron Y-pipe design is a perfect fit and eliminates leaks and weld failures Larger diameter 304 stainless steel uppipes includes internally shielded stainless steel expansion bellows V-band connections provide a flexible, easy aligning tight fit Stainless steel uppipe clamps included Maximizes your turbo response time and eliminates exhaust leaks INSTALL TIME 4 Hours 30 Minutes WARRANTY Parts 12-Months 24,000 Miles NOTE Not for sale on licensed California vehicles UpPipes installation on 2003-2004 years requires the removal of OEM heat shield. 1043905 kit includes new style heat shield for owners whom wish to have one reinstalled.