This MBRP Heavy-Duty Up-Pipe Assembly adds durability and reliability to you 2008-2010 Ford 6.4L Powerstroke. The factory up-pipes in your truck are prone to leak, crack or fail which robs your engine of horsepower. MBRP solves these problems by replacing the failure prone factory part with a more durable version. The MBRP Heavy Duty Up-Pipe Assembly features a direct fit replacement and heavy-duty stainless steel turbo flex couplings that are designed to hold up in the most extreme conditions.