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Thread: Compatibility Question?

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    Idling - Listen to it purr...
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    Compatibility Question?

    So I have a quick question on compatibility.

    Will headers for the 94-97 NA 1.8 fit on the 99 1.8? I may have beat my oem headers to death trying to remove them (having head rebuilt).

  2. #2
    5,000 rpm - there be torque here! Greasemonkey2000's Avatar
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    iirc, the exhaust outlet flange at the head is the same for 94-05 1.8's but the egr connection and header to catalytic converter flange is different.
    '01 NB2 aka MisF1re: http://mazdaroadster.net/showthread....218#post207218
    '97 M aka Warbird, gone but not forgotten: http://mazdaroadster.net/showthread....B&goto=newpost
    Instagram: @greasemonkey2000

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  4. #3
    Idling - Listen to it purr...
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    Alright. So it would be a lot easier to find a 98-00 header. I read somewhere I don't recall where, that 98-00 and 01-05 are different slightly? Or are 98-05 the same exhaust wise? Other than the mazdaspeed having a turbo?

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    5,000 rpm - there be torque here! Greasemonkey2000's Avatar
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    Yes nb1 and nb2 egr setup is different on the exhaust manifold.
    '01 NB2 aka MisF1re: http://mazdaroadster.net/showthread....218#post207218
    '97 M aka Warbird, gone but not forgotten: http://mazdaroadster.net/showthread....B&goto=newpost
    Instagram: @greasemonkey2000

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    6,000 rpm - mere mortals would shift NCGreasemonkey's Avatar
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    <--- runs onto the set to towel-off Chad's forehead for the timely and honest responses as the audience golf-claps.
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    Quote Originally Posted by Hammerhead View Post
    ...and don't be like an NCGreasemonkey.
    For the thread on Noir click below
    http://mazdaroadster.net/showthread....e-light-Slowly

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