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Thread: exhaust upgrade

  1. 6th February 2006, 12:38 PM #1
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    exhaust upgrade

    have read a few posts about upgrading the exhausts on the 300tdi's, would it be worth my while removing the muffler and replacing it with a staight piece of pipe and leaving the smaller rear muffler on the rear

    would i have to adjust the fuel pump, should have thought od this when i had the pump tweaked
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  2. 6th February 2006, 12:41 PM #2
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    mine's a 3in system with a straight through hotdog muffler
    130's rule
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  3. 6th February 2006, 01:43 PM #3
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    im looking at a new straight thru exhaust on my 300tdi as well ,

    one thing about hilines exhaust is when its at full song it doesnt sound too bad for a diesel


    it sounds oh so nice 8)
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  4. 6th February 2006, 02:03 PM #4
    ATLandy Guest
    Hi all ,

    I,ve been reading about 3" exhause pipe . Isn't it too big for a 2.5l diesel engine ? If there is not enough back pressure on a pipe which is too big ,wouldn't it reduce the torque output ?

    Ta
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  5. 6th February 2006, 03:05 PM #5
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    <div class='quotetop'>QUOTE</div><div class='quotemain'>If there is not enough back pressure on a pipe which is too big ,wouldn't it reduce the torque output ? [/b][/quote]

    if it were an N/A diesal then yes but because of the turbo
    less back pressure the better.

    but yes to an extent you can go too big in pipe size!
    just ask the rice burner crowd!

    cheers phil
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  6. 6th February 2006, 03:08 PM #6
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    Originally posted by rangieman
    im looking at a new straight thru exhaust on my 300tdi as well ,
    one thing about hilines exhaust is when its at full song it doesnt sound too bad for a diesel


    it sounds oh so nice 8)
    i can get you one fitted for $450
    130's rule
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  7. 6th February 2006, 06:26 PM #7
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    Originally posted by hiline+--><div class='quotetop'>QUOTE(hiline)</div><div class='quotemain'><!--QuoteBegin-rangieman
    im looking at a new straight thru exhaust on my 300tdi as well ,
    one thing about hilines exhaust is when its at full song it doesnt sound too bad for a diesel


    it sounds oh so nice 8)
    i can get you one fitted for $450 [/b][/quote]

    Who and where Mr Ray
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  8. 6th February 2006, 06:34 PM #8
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    i mate of mine :wink:

    2 min from my place

    mandrel bent also i must add


    when would you like it done ???
    130's rule
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  9. 6th February 2006, 07:32 PM #9
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    mmmmmmmm

    id say not to long...
    wait until the new job pays me 1st...... Then lets do it...
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  10. 6th February 2006, 07:33 PM #10
    Pavo
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    Does the 3inch pipe make a noticeable difference to power/torque? I assume it's from the turbo all the way to the end.

    And is there an answer to his original question - should there be any fuelling mods or is just changing the exhaust all that's required?
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