6.0L BD Performance Exhaust Manifolds fass The smaller nozzle will help

The smaller nozzle will help with towing maximum weight and keeping EGT’s down while the 30% nozzle will be better for more top end power

USA 7075 Billet Aluminum Construction

0L Powerstroke owner that wants to get more out of their truck

Hang loose

6.0L BD Performance Exhaust Manifolds fass The smaller nozzle will helpThe BD Power 1041480 Exhaust Manifolds 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