Performance exhaust for 405
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  1. #1
    Fellow Frogger! racing405's Avatar
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    Default Performance exhaust for 405

    Guys,
    last year I started looking at extractors for my Mi16. Was steered toward items from Europe, and may have to go that way. Magic had some shots (pre AF crash) of his extractors on various 205s. They look fantastic, but Magic said he was unable to build me a set without the car to build them on. He's too far away from me for that to work.

    Does anyone have a lead on extractors for a Mi16? Perhaps even thinking about having Magic make a set - in which case if your car is going to Magic, then perhaps he could make me a set at the same time and reduce the overall cost for both???

    I was prompted to get back on this thought by a posting by a fellow frogger in the motorsport forum. Here is a clip of my car at Phillip Island - probably the noisiest Mi16 in Australia at the moment. Runs a 2.5" pipe from the bottom of the engine pipe (no cat) through a straight through hot dog to a side pipe. So not road legal. Magic recons it will not provide enough back pressure and hurt torque figures - I've no idea as it hasn't yet been on the dyno (booked for 17/2).

    Take a look, have a laugh....http://www.youtube.com/watch?v=E7CFgJBjkk0

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  2. #2
    1000+ Posts pgti6's Avatar
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    Ideally, something like this Maniflow from the UK would be the bees knees-if it would fit. Sadly, there's not much off the shelf to suit the 405 other than Miles (PugRacing) ones. You could get it thermally coated which is a marginal performance gain. Not perfect, but better than the std 8 branch.
    Attached Thumbnails Attached Thumbnails Performance exhaust for 405-mi16-extractors.jpg   Performance exhaust for 405-thermal-exhaust-treatment.jpg  
    405 Mi16 2.2 litre race car up for sale soon. For details contact me on 0438 106 430.

    Lap times- Sandown 1 27.9
    Phillip Island 1 53.8

    Previous Frenchies-
    1988 205 Gti
    1998 306 GTi6
    1997 306 N5 sedan
    1996 306 N3 XT hatch
    1976 Renault R16TS manual in Avocado
    1976 Renault R16TS manual in Trak Yellow
    1975 Renault 5 Guernsey, Channel Islands
    1972 Renault 4 Guernsey, Channel Islands

  3. #3
    1000+ Posts PeterT's Avatar
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    Once you've water jet cut a flange from a dxf file, any decent exhaust place could make you a set. Do some ringing around. I have the dxf file if you want it.

    '92 205 Mi16
    '90 Mi16x4

  4. #4
    Fellow Frogger! racing405's Avatar
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    Default DXF file for exhaust manifold

    Peter,
    would be great if you could mail me a DXF file (or AutoCAD, Inveta, SolidWorks native file). It would save me drawing up my own. Have you ever had any head problems with manifolds that combine the pair of exhaust ports together?

    Cheers.

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