Downpipe Question

Discussion in 'Modifications & DIY how-to' started by clemsonscooby, Dec 28, 2005.

  1. clemsonscooby

    clemsonscooby Active Member

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    Does anyone know of any good pipes that have a high flow cat in only the front midpipe section and not the downpipe section? I am looking for the extended pipe, not the shorty downpipe.
     
    #1 clemsonscooby, Dec 28, 2005
  2. Mad Mallard

    Mad Mallard the mad mallard

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    I like my Randomtechnology stuff.
     
    #2 Mad Mallard, Dec 28, 2005
  3. KingofSiam

    KingofSiam Member

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    That's how most of them are set up. This is because placing the cat in the rear most section mean less restriction mean better gains.
     
    #3 KingofSiam, Dec 28, 2005
  4. miloman

    miloman Retired Admin

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    my helix has a cat in the 2nd OEM cat location
     
    #4 miloman, Dec 28, 2005
  5. Alex

    Alex Community Founder
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    I think APS has a cat in the first slot.
     
    #5 Alex, Dec 29, 2005
  6. oucatch21

    oucatch21 Member

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    milo the helix is three inches at the end right..
     
    #6 oucatch21, Dec 29, 2005
  7. clemsonscooby

    clemsonscooby Active Member

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    Who do you go to for randomtechnology goodies?
     
    #7 clemsonscooby, Dec 29, 2005
  8. clemsonscooby

    clemsonscooby Active Member

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    The Helix downpipe has the high flow in the downpipe section. I am just looking for one in the midpipe section. Or does it not matter?

    Has anybody used the billy boat exhaust with the high flow? http://www.horsepowerfreaks.com/price/Subaru/WRX/Billy_Boat/Exhaust/Downpipes. From the picture it looks like the single pipe for both the down and midpipes with the cat in the midpipe section.
     
    #8 clemsonscooby, Dec 29, 2005
    Last edited: Dec 29, 2005
  9. Alex

    Alex Community Founder
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    Stepehn (xnoodlesx) has the B&B exhaust on his STi, he's really pleased with it.
     
    #9 Alex, Dec 29, 2005
  10. xnoodlesx

    xnoodlesx recovering meth addict

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    I have the Helix catted downpipe with the B&B catback. Whole setup is 3". Made 305whp / 340wtq. Going to TopSpeed Wednesday to get hooked up with meth injection. :) :) :)
     
    #10 xnoodlesx, Dec 29, 2005
  11. wrxin8or

    wrxin8or Mullitt
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    and Brian has the B&B downpipe with the HKS catback, which if I remember correctly you have too clemsonscooby
     
    #11 wrxin8or, Dec 29, 2005
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