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This is a discussion on Opinions within the Firebird / WS6 forums, part of the Vehicle Specific category; I gotta 98 ws6 m6 and im torn between headers and off road y pipe or 3.73 gears. Which will ...

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    Member jetaws6's Avatar
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    I gotta 98 ws6 m6 and im torn between headers and off road y pipe or 3.73 gears. Which will give me better results at the track right now I just got slp loudmouth 2 and k&n filter and air lid and im hittin 13.4's any thoughts?

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    Moderator 35th-ANV-SS's Avatar
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    Quote Originally Posted by jetaws6 View Post
    I gotta 98 ws6 m6 and im torn between headers and off road y pipe or 3.73 gears. Which will give me better results at the track right now I just got slp loudmouth 2 and k&n filter and air lid and im hittin 13.4's any thoughts?
    I would say headers and Y. I have an 02 SS and after headers, Y, lid, and cats removed I DYNO'd 342HP on a Mustang DYNO. From what I understand, our cars typically DYNO 280-290 on a Mustang DYNO. So I picked up close to 50whp and that is going through a 9" which is even less efficient.

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    Member jetaws6's Avatar
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    Do you know if pacesetters are flanged or welded on to the y pipe becuase I can get a o/r y for $100 but its flanged.
    Last edited by jetaws6; 09-20-2009 at 04:49 PM.

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    Yeah baby! Yeah! silverWS6's Avatar
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    4.10's made a big difference for me, but then my car already had lt's when i got it

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    Moderator 35th-ANV-SS's Avatar
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    Quote Originally Posted by silverWS.6 View Post
    4.10's made a big difference for me, but then my car already had lt's when i got it
    Yeah I agree. I got my 4.11 at the same time as my LTs. I am not sure a 3.73 will be as big of gain as LTs and Y.

    To the OP, is this on the stock 10 bolt? I personally wouldn't put money into it if you plan on ultimately putting down some serious HP numbers.

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    Member jetaws6's Avatar
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    Quote Originally Posted by 35th-ANV-SS View Post
    Yeah I agree. I got my 4.11 at the same time as my LTs. I am not sure a 3.73 will be as big of gain as LTs and Y.

    To the OP, is this on the stock 10 bolt? I personally wouldn't put money into it if you plan on ultimately putting down some serious HP numbers.

    I would get a 12 bolt with the gears 10 bolt isnt worth any money

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    War Machine BIG GUNS's Avatar
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    Get the LTs and ORY first. The gears are cheaper and you can get those anytime. Headers and ORY will take a bit more time but, will make a difference in sound and yes. The Magnaflow muffler will bolt up just fine.

    I think they only make a 3" inlet anyways but, can't remember.

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    Member jetaws6's Avatar
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    Quote Originally Posted by BIG GUNS View Post
    Get the LTs and ORY first. The gears are cheaper and you can get those anytime. Headers and ORY will take a bit more time but, will make a difference in sound and yes. The Magnaflow muffler will bolt up just fine.

    I think they only make a 3" inlet anyways but, can't remember.
    Im not worried about the muffler which is slp btw I was wonderin if the pacesetters lt's are flanged or weld ins becuase the o/r y is flanged

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    War Machine BIG GUNS's Avatar
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    I'm pretty sure that they are flanged. You'd be pretty hard pressed to find weld ins anymore. Most are clamp and forget if you get an ORY to go with it.

    If you use your stock y pipe, I'd discourage that.

    Get the full set up. Most kits will come with the ORY but, if not, find a matching ORY to go with it.

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