Headers for 1999-2004 F250 and F350 Super Duty with the V10. Part numbers THY-218Y-C. These are set up for single exhaust (y-pipe included) and are CARB legal.
These Doug Thorley Tri-Y headers are constructed of 14-gauge tubing with 3/8-inch flanges to give you the best quality you can get in a header! Plus they are ceramic coated to give a lifetime of performance!