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Thread: 2003 Defender Exhoust Problem

  1. 24th February 2007, 02:37 PM #1
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    marek
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    Question 2003 Defender Exhoust Problem

    Hi All!

    I have a problem with my exhoust or more to the point with my catalytic converter heting up so mutch that the inside of my vehicle becomes unbearably hot. As you know the floor is made out of aluminium which conducts heat very well. This is not sutch a problem with normal driving but when i am towing my boat or a camper trailer then the heat starts coming streight through the floor. I'm sure that would be a bonus if i was in GB but in Aus on a 40deg day its not so good! I have wrapped my exhoust pipes and istalled a heat deflector between the converter and the floor and it has helped a bit, but the problem is still there and i wonder if anyone has found a better solution? Can the converter be dumped?
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  2. 24th February 2007, 03:14 PM #2
    tombraider Guest
    Dump the stupid thing... Cats have no place on offroaders...

    Off to the exhaust shop... throw 3" of pipe from the turbo down....
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  3. 24th February 2007, 03:18 PM #3
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    Anything can be taken off the car, just a question of registration inspections in the future.
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  4. 24th February 2007, 03:31 PM #4
    Bigbjorn
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    Run some 2" or 3" flexible tubing (ag. or poly pipe) from the front of the car, say under the bullbar back so as to blow cool air between the floor and the heat deflector you mention.
    URSUSMAJOR
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  5. 24th February 2007, 04:29 PM #5
    tombraider Guest
    Quote Originally Posted by dobbo View Post
    Anything can be taken off the car, just a question of registration inspections in the future.
    It wont have an issue.
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  6. 24th February 2007, 06:09 PM #6
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    Quote Originally Posted by tombraider View Post
    Dump the stupid thing... Cats have no place on offroaders...

    Off to the exhaust shop... throw 3" of pipe from the turbo down....
    I've been thinking along these lines ..
    Any suggestions for a good shop in Brisvegas, and is it true the cost of mandrel bends is worth it ??
    While you're at it can someone explain the difference ... some say I'm as dumb as dog s#*t ... but I've met some pretty smart dogs ...

    Cheers
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  7. 24th February 2007, 06:13 PM #7
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    Mandrel bends maintain the diameter of the pipe. Where as a normal 3 inch exhaust may become 2 3/4 inches around corners then 3 inches on straight parts a mandral bent exhaust system will maintain the 3 inch diameter throughout the whole exhaust.
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  8. 24th February 2007, 06:13 PM #8
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    Didn't know they had a cat, mine doesn't.
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  9. 24th February 2007, 06:27 PM #9
    Graeme
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    Quote Originally Posted by tombraider View Post
    Dump the stupid thing... Cats have no place on offroaders...

    Off to the exhaust shop... throw 3" of pipe from the turbo down....
    I tried this at a local shop and got an ear-bashing - lucky to get away alive. Does anyone know from where I can get one already made to suit the Disco? I'd like 3" from the turbo mating up to the original muffler.
    MY21.5 L405 D350 Vogue SE with 19s. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi, RTK base station using LoRa
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  10. 25th February 2007, 01:24 AM #10
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    Quote Originally Posted by tombraider View Post
    Dump the stupid thing... Cats have no place on offroaders...

    Off to the exhaust shop... throw 3" of pipe from the turbo down....
    here here!!!!!!! open the throat and let the beast breathe
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