2001-2004 GM HD High-Flow Exhaust Manifold and Up-Pipe Kit Ceramic Coated (116111020) engine-crankcase-breather-fitting Heavy-duty electric motors designed to

Heavy-duty electric motors designed to perform reliably in extreme temperatures and climates

Installation requires mounting to the spare tire carrier and wiring to brake circuit

Front Shock Spacer kit

Vertical Beam Angle: 18

2001-2004 GM HD High-Flow Exhaust Manifold and Up-Pipe Kit Ceramic Coated (116111020) engine-crankcase-breather-fitting Heavy-duty electric motors designed toDescription PPE's High Flow Manifold and Up Pipe Kit is engineered to maximize flow, lower exhaust gas temperatures and speed up turbo spool on the early Duramax. This version adds a silver ceramic coating for better heat management and a clean under hood look. The high sil moly cast iron manifold pairs with internally sleeved 304 stainless up pipes for increased inner diameter and flow. Features High sil moly cast iron manifold for durability under