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PPE Exhaust Manifold and Up-Pipe Kit for Duramax
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.
Cast iron manifold construction for reliability 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