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Fitting Franks manifold And Adding A Silencer

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  • Fitting Franks manifold And Adding A Silencer

    Today the exhaust arived, no idea what it will sound like so thats a punt.

    This was to fit onto Franks 4:2:1 manifold.

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    The parts came from EVERY EXHAUST PART

    Although came from their Ebay shop

    Universal Extra Quiet 4" Stainless Steel Silencer Muffler Box With Extra Baffles

    Curved Curl Down Exhaust Tail Pipe Trim Stainless Steel Curldown Tip inch mm


    This is a very tight fit as Frank designed the manifold for an oval with entry left rear exit front right so the line is very very close to the rear panel.

    First things first, slice off about 2" from the manifold exit pipe as this will be needed to seat the silencer back a bit.

    Second slice off the front of the silencer at the slit point so it is shorter.

    Third slice off the end of the tail pipe at the slits so it sits further onto the silencer end you just trimmed.

    Then a bracket is needed to fix the front end of the silencer

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    Attached Files
    Last edited by John A. Ross; 1st May 2020, 10:21 PM.
    / John

  • #2
    Dave version, a very tdy install indeed Dave Lane


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    Last edited by John A. Ross; 1st May 2020, 10:22 PM.
    / John

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    • #3
      Not stainless though Dave but price was right
      / John

      Comment


      • John A. Ross
        John A. Ross commented
        Editing a comment
        And time for more mock up of the heat shield. Glad it came together as this one was last one I had to chop up, other 4 now scrap.

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        All seems to fit now, but here is why we mock things up.

        need to cut in for the bracket

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        And then trim the tray so it sits on inside lip and move the screw fixing

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        Not sure I would use clamps on the tail pipe, reckon couple of stainless self tap screws will suit it better with a little sealant


        Attached Files

      • John A. Ross
        John A. Ross commented
        Editing a comment
        The results of more tin bashing and bending, had to rethink the heat shield attachment so have decided on an alternate mount method to back cross member. Will post tomorrow.

        Modifed tray still needs to be checked and strengthened in a few places as I hate the rattle from them.

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    • #4
      Very nice mr Ross have you started it yet

      Comment


      • #5
        Nope, no fire yet Paul, needs fuel first, wiating on inline filters the one I have tears the inner of the fuel line when fitted, way too sharp.

        Was cheap as chips for a stainless exhaust.
        / John

        Comment


        • #6
          You would be much better off having the exhaust out the back pointing straight out horizontal rather than down to the ground.













          Will add an extra 1hp
          Patrick McGrorty

          100% MK 1 just as rootes intended it, no mods, no problem

          Comment


          • #7


            You assume it will ever leave the garage !

            Those polished side trims will add 1hp too
            / John

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