• Diesel Mafia Performance 17-20 L5P Downpipe Kit


    Description ***currently on backorder ETA 9/22/20***  ***NO REFUNDS FOR CANCELED ORDERS***

    3 ½” Down Pipes


    If you're Installing an Exhaust system, we highly recommend doing the Downpipe

    *The EGR Kit comes with all necessary GM Gaskets for turbo re-install.*

    -(3) Pre-built Heater Hose Assemblies with quick connect fittings
    -Y-Bridge Port Block Off Plate
    -Exhaust Manifold Block Off Plate
    -Thermostat Bridge Billet Block off with O-Ring
    -9th Injector Plug
    -Coolant line Plugs & Caps
    -Necessary Gaskets