These are a must have for your 03-07 Ford 6.0L Powerstroke. Designed as a bolt-in replacement, these will replace your old, leaky and rusted exhaust manifolds with heavy-duty thick walled units that will withstand warping and distortion. Also designed with performance in mind, these exhaust manifolds use a porting size that increases turbo efficiency by holding in the heat energy that's used to drive your turbocharger for quicker spool-up and throttle response. Gaskets not included.
NOTE: These will also work on the 6.4L Powerstroke, but you will have to use BD Diesel PN 1043908 Up Pipe kit.
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