PPE Replacement Up-Pipe (Passenger Side) for OEM Exhaust Manifold 11-16 GM 6.6L Duramax LML ATS-319-932-2392 Mevotech has specifically formulated the

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6L Duramax LB7 - Up To 88

PPE Replacement Up-Pipe (Passenger Side) for OEM Exhaust Manifold 11-16 GM 6.6L Duramax LML ATS-319-932-2392 Mevotech has specifically formulated theHas your current up pipe cracked or causing high exhaust back pressure and slow turbo spool? The PPE Replacement UpPipe for 6. 6L Duramax is the upgrade your truck has been waiting for. This high flow up pipe dramatically improves your exhaust flow compared to the restrictive factory piping. Whether youre building for towing power, performance, or reliability on the highway and trail, this up pipe provides a noticeable performance enhancement over