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Thread: Z22SE Manifold & Exhaust

  1. #1
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    Default Z22SE Manifold & Exhaust

    Good Morning!

    I'm off to MIJ on Monday to have my Lexmaul 4-1 200 Cell Sports Manicat fitted complete with a new custom system. My one is literally about to fall off!!

    The pipe out from the cat is 2" (50mm) in diameter. What size system should I have made? Is 2" going to be too restrictive? I'm planning on a few engine mods in the future (inlet, head work etc).

    Thanks for any help!

  2. #2
    Regular Member rushy's Avatar
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    Vehicle : SRi


    Engine : Z22SE (2.2 Petrol)

    Year : 2004

    Mileage : 137000

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    2" unless your going large with the power upgrade mate and then only add 2.5 but then back down to 2" after the section. There's a thread on z22 with power to diameter.

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    Cheers bud. Just to make sure I have this clear, a 2.5" downpipe in to a 2" exhaust system?

  4. #4
    Regular Member rushy's Avatar
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    Vehicle : SRi


    Engine : Z22SE (2.2 Petrol)

    Year : 2004

    Mileage : 137000

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    Yip 2.5 downpipe then 2" or 2.25 depending in tune.

  5. #5
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    Thanks for clearing that up mate, I've been completely confused! I've decided 2.5" downpipe leading in to a 2.25" system. I will be contacting the doctor again, after our last plans fell through due to having to move house a lot sooner than expected!

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