2017-2025 GM 6.6L Duramax Stud Kit for Exhaust Manifolds 2014-gmc-savana-4500-6-6l-v8-turbo-diesel--duramax--esi5725852 This leads to reduced performance

This leads to reduced performance

The precision-fit

Boost leak is another common issue on the stock bridge manifold/tube

There are many build option combinations

2017-2025 GM 6.6L Duramax Stud Kit for Exhaust Manifolds 2014-gmc-savana-4500-6-6l-v8-turbo-diesel--duramax--esi5725852 This leads to reduced performanceNote: Superseded to 2017 2026 GM 6. 6L Duramax Stud and Nut Kit for OEM Exhaust Manifolds (p n 116112583). Replacement stud and nut kit for the PPE L5P manifold and up pipe kit. The kit comes with ten black oxidized studs and ten flange nuts. Use in conjunction with the Allen bolts provided in the manifold up pipe kit. 17 23 GM L5P Duramax 6. 6L