2008-2010 FORD 6.4L POWERSTROKE MBRP FS9CA455 4" XP SERIES TURBO DOWNPIPE (50-STATE LEGAL) 2008-2010 FORD 6.4L POWERSTROKE The MBRP FS9CA455 4" XP Series Turbo Downpipe for your 2008-2010 Ford 6.4L Powerstroke is designed to increase flow and power. Built from T409 stainless steel, the XP Series downpipe features a rugged sixteen gauge... MSRP: Was: Now: $269.99 Add to Cart The item has been added