Prodrive Downpipe will it work?

Discussion in 'Modifications & DIY how-to' started by STillGruven, Jan 11, 2010.

  1. STillGruven

    STillGruven Member

    Hello - I have found a Prodrive Catless downpipe. It is the divorced style. Looks like it has a CAT but does not.

    Will it bolt up to my stock 04 STi exhaust or do I need to find the rest of the exhaust system?

    I have a Cobb AP and am running stage 1 map now. Can I install this DP add the K&N filter and go stage 2?

    I searched the forum and found the Exhaust likes dislikes postings but did not see this downpipe mentioned.

    Any advice is appreciated!

    Michael
     
  2. nsvwrx

    nsvwrx Active Member

    I think it will fit, it tapers down at the flange, right?
     
  3. nsvwrx

    nsvwrx Active Member

  4. nsvwrx

    nsvwrx Active Member

    "Downpipe: Prodrive's downpipe is designed for off-road use only and replaces the stock downpipe cat with a cat-less pipe to remove post-turbo restriction. This helps reduce turbo spool-up time and makes the veichle's throttle more responsive. The down-pipe also features a bell mouth turbo exit arrangement to reduce turbulence caused by the integral wastegate."

    Designed to replace the stock DP, so i am going assume it will fit.
     
  5. STillGruven

    STillGruven Member

    Hello NSVWRX - you got it.

    145.00 seems like it is a good price.

    Just worried about the divorced waste gate. I have heard that there could be issues with boost creep.

    I just looked under the car. Seems like it will bolt on and there will still be the second CAT.

    Any tech advice out there?
     
  6. calmnothing

    calmnothing Shlimp Flied Lice Supporting Member

    I would buy a different downpipe. It would end up a bit more expensive buying a full downpipe with a high flow cat, but I'd rather pay the money for more performance out of a bigger pipe and less restriction.
     
  7. integroid

    integroid Supporting Member

    You can get an ERZ full catless downpipe fro under $200 or catted version for around $300.
     
  8. amonsta

    amonsta Member

    ^^^ I used to run the prodrive and wish i bought one that was full length vs the shorty. By the time i added in the midpipe i spent way too much! Just shop here and nasioc and youll find a deal!
     

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