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Hot & Cold Tubes
Some aftermarket air intakes many require modifications
Added oil capacity adds cooling capacity
(2) EGR Tube Gaskets (OE# BC3Z9E464F)
making installation simple while maintaining your factory warranty
Wehrli Custom Fab WCF100373 Billet Exhaust Manifolds Chevrolet-Silverado-2500-6-6L-Duramax-LB7-2004 Hot & Cold TubesGet the Wehrli Custom Fab WCF100373 Billet Exhaust Manifolds for your Chevy GMC Silverado Sierra equipped with an L5P Duramax engine. The billet Exhaust Manifolds with EGR Riser Flange replace the restrictive factory cast parts with high strength, TIG welded high flow billet steel components designed to enhance exhaust flow, and improve turbo spool up, while lowering EGTs. These exhaust manifolds are exhaust port gasket matched and internally divided