|  High flow exhaust manifolds and up-pipes lower egt’s, reduce drive pressures and quicken turbo spool up while maintaining reliability. Perfect for upgraded turbo systems and or nitrous equipped trucks with high EGT’s. Will work with OEM turbo systems with upgraded fuel systems that produce high EGT’s. FEATURES: - Cast iron manifold consruction for reliabilty with built in bosses for egt probes on both banks
- Stainless Steel 11-gauge 2” diameter up-pipes with free flowing Stainless Steel inner liner bellows
- Up to 200 degree decrease in EGT’s
- Up to 20% reduction in drive pressures
- EGR equipped 02-04 LB7's and all 04.5-09 Duramax's will require Complete EGR Removal to fit standard and round race pipe designs. Systems with EGR must use Y-Pipe design.
Below is a veiw of the PPE Manifold Up Pipes with descriptions for each pipe design.  Call in for questions if not sure on required pipe for your vehicle. | Available Options: | | Up Pipe Design: | | |