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Thread: P38 GEMS Catalytic Convertor Replacement

  1. 8th June 2013, 03:22 PM #1
    BusinessConnected
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    P38 GEMS Catalytic Convertor Replacement

    Hi Guys,
    Had the Dreaded Cat Rattle recently, had my mechanic clean out the Cats and refit and now I have that awful Wheezy Style Noise....

    Obviously my solutions are either
    1) Getting a Piece of Straight through Pipe Welded in Place of the Hollowed Out Cats.
    2) Getting some Generic Magnaflow/Similar Cats that can be welded in place
    3) Getting the Aftermarket Complete CAT Setup from UK/USA Shipped to Australia.

    What has everyone else done in my position... especially interested if someone in Melbourne has had this done somewhere.

    Regards
    Heath
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  2. 8th June 2013, 03:49 PM #2
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    mtb_gary
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    Heath

    I did the aftermarket cats as well as a good excuse for the sports system from cats back. All up at one of the exhaust places around $700 fitted. Apart from getting rid of the rattle it also sounds like a v8

    Gary
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  3. 9th June 2013, 07:18 AM #3
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    wanglemoose
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    put pipe there instead of the costly cats, pre 2000 vehicles with a full separate chassis are classed as commercial and not needing cats, also gives you 149db to play with instead of the 85 for cars.
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  4. 9th June 2013, 02:10 PM #4
    BusinessConnected
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    WangleMoose: Any Proof of this anywhere?
    I'd prefer to go that route... but want something to fall back on officially...
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  5. 9th June 2013, 03:08 PM #5
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    That's the first I've heard of that! A bit of doco to back that up would be all the evidence I'd need.
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  6. 9th June 2013, 04:18 PM #6
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    I 'may' have gone route one.
    Admittantly doesn't sound as nice, a bit more tinny.

    But does give slightly more torque, and noticably more off idle response.

    I really don't see the point of paying for cats that are just going to be killed by a system with no O2 sensors.

    Also... don't need to worry about damaging the CATS off road; the pipe now sits up nice and high.
    Last edited by benji; 9th June 2013 at 04:22 PM. Reason: Forgot to say...
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  7. 9th June 2013, 04:59 PM #7
    BusinessConnected
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    I'm beginning to think it might be worth getting a Local Exhaust Shop to do something from The Header Outlet Back... Twin Exhaust or something Similar
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  8. 12th June 2013, 07:36 PM #8
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    Quote Originally Posted by BusinessConnected View Post
    WangleMoose: Any Proof of this anywhere?
    I'd prefer to go that route... but want something to fall back on officially...

    i haven't been through the entire the new code since it went national and don't have the time atm. if you got roughly 20+hrs up your sleeve you will find it here Home (Department of Transport and Main Roads) the advantage to the national code is that there is so many grey areas that you can basically do whatever you want. good luck
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  9. 12th June 2013, 08:50 PM #9
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    Every time a bit of my exhaust falls off I think 'what a great sound'
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  10. 12th June 2013, 08:53 PM #10
    BusinessConnected
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    Jonathan:
    Not this time... it's horrible... All Airey and Yuck...
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