JMF v1 questions

Discussion in 'Mazdaspeed 3 General Discussion' started by TripppleP, May 26, 2020.

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  1. TripppleP

    TripppleP Greenie Member

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    Anyone have a JMF v1?

    Do I need to run this with an exhaust manifold?

    What noticeable difference did you notice from this?

    Can I run this with a stock Ko4 until I purchase a cst4?

    I have no plans for meth or extra fuel. But not sure if I will change my mind down the road.
     
  2. Awafrican

    Awafrican Moderator Gold Member

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    No you don't need to run it with and exhaust manifold but you'd get the most gains with one paired with it. Yes you can run it with k04
     
    Awafrican, via a mobile device, May 27, 2020
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  3. TripppleP

    TripppleP Greenie Member

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    Thanks man. I appreciate it.
     
    TripppleP, via an iPhone, May 28, 2020
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