Factory up-pipes are prone to failure due to age and heat cycling causing leaking exhaust, slower turbo spool, as well as additional exhaust noise and soot buildup. BD's larger diameter 304 stainless steel mandrel bent up-pipes with internally shielded expansion bellows, are designed to minimize restriction to the turbo and improve exhaust velocity and turbo response time. The BD Up-Pipes are a durable, longer-life replacement for the common Power Stoke problems as well as the perfect complimentary upgrade when replacing a turbo, manifolds, or other engine or transmission repairs. FEATURES Internally shielded stainless steel expansion bellows Comes with exhaust manifold gaskets, EGR gasket, & turbocharger pipe gaskets 304 Stainless Steel mandrel bent feed pipes Fully EGR compatible - Meets emission requirements INSTALL TIME 13 Hours 30 Minutes when not replacing manifolds at the same time WARRANTY Parts 12-Months 24,000 Miles Note Surface rust not eligible EMISSIONS This product does not require an EO in California. By nature of its design, it is legal for sale and use in all 50 states. Replacement parts included. (EMS:4)