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Goth exhaust installed

Discussion in '348/355' started by nbenz, Oct 18, 2011.

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  1. nbenz

    nbenz Rookie

    Sep 27, 2010
    37
    Severna Park, MD
    Full Name:
    Neil Benz
    #1 nbenz, Oct 18, 2011
    Finally got the car back after Goth's new exhaust was installed. While they had it they install fabspeed headers and test pipes. It sounds fantastic. I wanted a quieter sound at low speed and more aggressive at higher RPM and that is just what I got. Seems like much quicker acceleration and the sound is is not over the top loud which I like. It is a sound that gets you noticed but not in a bad way. Thanks again Goth. If life ever slows down I will try and get some video up.

    Neil
     
  2. nbenz

    nbenz Rookie

    Sep 27, 2010
    37
    Severna Park, MD
    Full Name:
    Neil Benz
    #2 nbenz, Oct 18, 2011
    Also,
    I am having this installed this week to hopefully get rid of the CEL from the test pipes... Mini cats, lets see if they works.

    http://bigdaddiesgarage.com/mini-cat-cel-fix.html

    Also have to add the Goth hi-flow air tops and resonator delete cap.

    Neil
     
  3. ndpendant

    ndpendant Formula Junior

    Jun 5, 2010
    636
    Chicago- west burbs
    Full Name:
    Paul
    #3 ndpendant, Oct 18, 2011
    Id be quite interested to see how well that works as I have test pipes and the dreaded CEL on and off.
     
  4. f355spider

    f355spider F1 World Champ
    Owner Rossa Subscribed

    May 29, 2001
    18,044
    USA
    #4 f355spider, Oct 18, 2011
    Those are simply O2 sensor spacers, and they added some honeycomb catalyst material. The honeycomb is unlikely to do anything, but is good marketing. I would simply buy some plain O2 sensors off Ebay or Amazon and they will be just as effective. All they do is move the post catalyst O2 sensor out of the exhaust stream, fooling it into thinking it is "clean".
     
  5. eyboro

    eyboro Formula Junior
    Silver Subscribed

    May 30, 2004
    989
    Chicago
    Full Name:
    Eitan
    #5 eyboro, Oct 18, 2011
    I have the same O2 simulators on my high flow CATS and I still got the dreaded 422/432 CELS after 200 miles, I solved the issue by adding steel wool to the simulators and now after more than 1000 miles I have no CEL issues. So I would recomend sticking about an inch of steel wool inside the simulators.
     
  6. vvassallo

    vvassallo F1 Veteran

    Aug 4, 2006
    8,325
    Palos Verdes
    Full Name:
    Vince V
    #6 vvassallo, Oct 18, 2011
    Another happy Goth customer, er fan! Welcome to the club. Can't wait to hear your ride at full throttle.
     
  7. gothspeed

    gothspeed F1 World Champ

    May 26, 2006
    10,244
    U.S.A.
    Full Name:
    goth
    #7 gothspeed, Oct 19, 2011
    cool :)!!! glad to hear the system has been placed into its new habitat!! just a note the different sound level choices have zero bearing on flow. every system has 'straight pipe' flow capacity. With these mods Neils 355 should see solid double digit RWHP gains and should have a very sweet F1 sound .............. that said, I want to hear what this configuration sounds like in the metal .... :D!!!
     
  8. saw1998

    saw1998 F1 Veteran

    Jun 8, 2008
    8,237
    San Antonio, Texas
    Full Name:
    Scott
    #8 saw1998, Oct 19, 2011
    Oz:

    You are The Man. Between you and the inestimable Dave Helms, owning a 348 or F355 is great. Thanks Bro and I wish you all the best, all the time. :)
     
  9. gothspeed

    gothspeed F1 World Champ

    May 26, 2006
    10,244
    U.S.A.
    Full Name:
    goth
    #9 gothspeed, Oct 19, 2011
    Yeah man, very much appreciated!!! that is what it is all about :)!!!!
     
  10. MManzonelli

    MManzonelli Karting

    Nov 4, 2003
    82
    Columbia, IL
    Full Name:
    Mark Manzonelli
    #10 MManzonelli, Oct 20, 2011
    Did this work? I am interested in these as well.....

    1997 F355 Spider

     
  11. mikster

    mikster Formula Junior

    Nov 11, 2003
    357
    LA
    Full Name:
    SLOMO
    #11 mikster, Oct 21, 2011
    where is the sound clips for this
    Looking to buy from him but I need to hear this first
     
  12. gus355

    gus355 Formula Junior

    Aug 3, 2011
    569
    B.C. and WA
    #12 gus355, Oct 21, 2011
    You'll need to use a spacer that has a restriction (smaller hole) at the base to allow less exhaust to reach the sensor - I have used secondary O2 extension pipes since about '03 on just about every type of car and they work 100% - unlike many of the "well marketed" solutions.

    This even allows cars to pass emmisions tests here since OBDII cars '98-up only need a scan to make sure the readiness tests are complete.
     

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