When your OE up pipe fails and you are looking for a high quality failure proof replacement upgrade then MBRP has your answer. High flow mandrel bent aluminized steel that works with the factory EGR system. Direct bolt on no compromise solution. Improve the performance and reliability of your Ford Super Duty with a 6.4L Powerstroke diesel by upgrading the failure-prone stock turbo up-pipes. MBRP all new direct factory replacement turbo up-pipes are a bolt-on solution that will give your Powerstroke increased durability and wont affect the factory system. These up-pipes are built from aluminized steel and have stainless steel turbo flex couplings.