PPE Standard Port Stainless Steel Exhaust Manifold Gaskets 17-24 GM 6.6L Duramax L5P PB-HP10181 then fuel rail pressure starts

then fuel rail pressure starts to drop

IP Rating - IP54 (Dust protected / rain resistant)

slide this into place

They went all in with custom pistons

PPE Standard Port Stainless Steel Exhaust Manifold Gaskets 17-24 GM 6.6L Duramax L5P PB-HP10181 then fuel rail pressure startsExhaust manifold leaks in your L5P GM Duramax are not fun. Ensure a leak free seal when installing new or reinstalling your factory exhaust manifolds with these High Performance Exhaust Manifold Gaskets from PPE. This three piece kit features multi layered 301 stainless steel, PPE Manifold Gaskets are designed to fit both PPE High Flow Exhaust Manifolds and GM OEM manifolds.