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Thread: Exhaust upgrade

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    Advanced Wilburnator's Avatar
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    Exhaust upgrade

    Looking at a possible exhaust upgrade on the ZD30 CRD, and just wondering what others have done...

    I have fitted the Dawes and needle valve kit, with significant improvements in the power and egt dept. (Thanks mudski...) Have also fitted a catch can.

    In all the experiences of those who have fitted one, I'm assuming a 3" is the general consensus??

    Is there advantages to going with or without a muffler??

    Will this help lower the egt further??

    Thanks heaps



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    Patrol God threedogs's Avatar
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    Have a look at the Beaudesert 2.75" exhaust that seems to work well on the CRD.
    Have a think about ceramic coating the dump pipe as well,
    a mod well worth the expense
    04 ST 3lt auto, not enough Mods to keep me happy, but getting there

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    Wilburnator (11th March 2017)

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    I have just fitted a 3" from 4wd action, fitted up well no worries, was harder to take the old one off. It is very quiet, no louder than the original.

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    Wilburnator (11th March 2017)

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    I have dea 3 inch exhaust with cat no muffler for the price $700 fitted I am pretty happy, it is a bit louder than stock, but does not drone at highway speed which I am happy with,

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    Wilburnator (22nd May 2017)

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    Advanced Wilburnator's Avatar
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    Quote Originally Posted by oldbloke View Post
    I have just fitted a 3" from 4wd action, fitted up well no worries, was harder to take the old one off. It is very quiet, no louder than the original.
    Did you notice much of an improvement in performance and fuel economy?


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    Advanced Wilburnator's Avatar
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    Quote Originally Posted by ThefattymattymkII View Post
    I have dea 3 inch exhaust with cat no muffler for the price $700 fitted I am pretty happy, it is a bit louder than stock, but does not drone at highway speed which I am happy with,
    I have been looking at these on eBay, did it make much of an improvement?


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    SkippyGU JackCollo's Avatar
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    I've got a full 3inch system from the turbo back no cat no muffler and noticed a change in throttle response, fuel economy, EGT temps and the motor seems to be breathing better.
    I got mine made up by a mate for 600 bucks and worth every penny one of the best investments I made.
    Currently own a ZD30 2000 GU patrol with a dead injector pump about to start a build on a TD42 motor to go in the car and basically rebuild the whole car into a machine of a rig

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    Wilburnator (24th May 2017)

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    How's the sound since you have no muffler? Is it too loud?

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    SkippyGU JackCollo's Avatar
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    Yeah it's good it's not too loud. Only when it's cold it's a bit loud but other than that it's been perfect freeway driving is good.


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    Currently own a ZD30 2000 GU patrol with a dead injector pump about to start a build on a TD42 motor to go in the car and basically rebuild the whole car into a machine of a rig

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