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Thread: Intake And Exhaust Manifolds - 2018 RAM Cummins

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    JMueth2020's Avatar

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    Intake And Exhaust Manifolds - 2018 RAM Cummins

    Nearly everyone is merely placing caps over the holes.

    Does anyone have some insight/knowledge of replacing the intake and exhaust manifolds without the recirculate ports?

    Any aftermarket manifolds with larger and smoother air/exhaust flow or even porting?

    What about any of the older, nonrecirculating poop gas engines: any of those manifolds bolt up to the ‘18 Cummins?


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    6.7 Coal Train's Avatar

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    Re: Intake And Exhaust Manifolds - 2018 RAM Cummins

    Most aftermarket manifolds will have a different foot (usually T4) for swapping turbos.

    Could maybe find a replacement 4th Gen manifold, but the closest will probably be a 3rd Gen manifold and maybe could get an adapter to keep stock VGT if that's what you're going for.

    Plenty of intake manifolds with ports (intake horns): Glacier diesel, Banks, Pusher.

    EDIT: I take that back; Steedspeed makes a 4th Gen manifold

    https://steedspeed.com/product-categ...gen-manifolds/

    2017 2500 Laramie: DRD Juiced, 5" TBE, Invisible EGR mod, BD Iron Horn 364sxe/1.0AR, 20x10 Hostile Sprockets, 33x12.50 General Grabber A/T, HID Conversion, Reverse Level 2" Drop CSS Rear Coils

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    JMueth2020's Avatar

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    Re: Intake And Exhaust Manifolds - 2018 RAM Cummins

    Steedspeed it will be.


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