- Direct bolt-on replacement to factory exhaust manifolds
- Significant reduction in exhaust back-pressure
- Free-flowing stainless steel inner liner bellow
- Stainless steel 11-gauge .120-inch wall, 2-inch OD
- Faster turbo response
- Lower exhaust temperatures
PPE has taken OEM replacement to a new level. All PPE OEM Up-Pipes allow 53% greater flow than stock. PPE OEM Up-Pipes are a direct bolt-on to your factory manifolds. Unlike factory parts, PPE OEM Up-Pipe are manufactured from 11-gauge 304 stainless steel and includes our superior PPE 304 stainless steel, internally sleeved bellow that can take the abuse of high temperature and high pressures.
2001-2004 GM Silverado-Sierra 6.6L Duramax – LB7 Fed