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2.5 inch straight pipe

Discussion in 'HYBRID -> ED-EF / DA' started by turboef87, Dec 4, 2009.

  1. turboef87

    turboef87 New Member

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    does any 1 kno if the stock header on a b16a will fit a 2.5 inch straight pipe??? im taken the cat out.. already have a 2.5inch catback on it
     
  2. DESPAIN

    DESPAIN yep....mmhhm.......yep...

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    Just get a reducer.
     
  3. ZCpowerdSI

    ZCpowerdSI New Member

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    lmao.. holy hell thats gonna be loud... yeah what he said
     
  4. turboef87

    turboef87 New Member

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    shouldnt be to loud i stilll have the stock exhaust welded on but when vtec pops idk might get a lil loud
     
  5. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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    Look for DC Sports' "JDM" header. It has a 2.5" outlet on it. I have one on my Civic. Any of the high end custom headers can be configured with one too.

    Want my DC?
     
  6. turboef87

    turboef87 New Member

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    na im goin turbo im gonnna go with a 3inch down pipe to the 2.5 inch pipe alll the way to the stock exhaust no cat or resonator... some 1 told me im gonnna run through exhausts like crazy with thiz settup
     
  7. DESPAIN

    DESPAIN yep....mmhhm.......yep...

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    you never want to go from 3" to 2.5 on a turbo'd setup. you can go from 2.5 to 3" you can go from smaller to bigger but you dont want to go bigger to smaller. with a turbo you want it to be as free flowing as possible.
     
  8. turboef87

    turboef87 New Member

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    yea so i should just get a 2.5 inch downpipe no doubtttt
     
  9. DESPAIN

    DESPAIN yep....mmhhm.......yep...

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    unless you are making big hp numbers 2.5" is going to be plenty good.IMO
     
  10. turboef87

    turboef87 New Member

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    im not trynnna make big numberzzz 200 250
     
  11. DESPAIN

    DESPAIN yep....mmhhm.......yep...

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    then 2.5" is more than enough
     
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