2001-2004 GM HD OEM Length Replacement High Flow Up-Pipes Fed and Ca 2001 (116120000) auto-duramax-2011-2016-exhaust-systems A high-density polyethylene (HDPE) rotationally-molded

A high-density polyethylene (HDPE) rotationally-molded tube helps increase the volume of airflow to your engine

The S2 Light Pod Lens Kit in Baja Amber with a Work/Scene pattern is the definitive solution for high-intensity area lighting in low-visibility or high-particulate environments

Direct bolt-in fitment for your specific vehicle

Heavy-duty adjustable front track bar that replaces the stock unit on 1997-2006 Jeep Wrangler TJ models running 0 to 4

2001-2004 GM HD OEM Length Replacement High Flow Up-Pipes Fed and Ca 2001 (116120000) auto-duramax-2011-2016-exhaust-systems A high-density polyethylene (HDPE) rotationally-moldedDescription Diesel engines (even stock) produce high temperatures and pressures. OEM up pipes eventually fail from constant temperature and pressure fluctuation. PPE has taken OEM replacement to a new level. PPE OEM Up Pipes allow 53 percent greater flow than stock. PPE OEM Up Pipes are a direct bolt on to your factory manifolds. But unlike factory parts, PPE OEM Up Pipes are manufactured from 11 gauge 304 stainless steel and include our superior PPE