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355 Intake Question

Discussion in '348/355' started by BrandSB, Oct 9, 2009.

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  1. BrandSB

    BrandSB Karting

    Jun 11, 2008
    236
    Canton, Michigan
    Full Name:
    Steve
    #1 BrandSB, Oct 9, 2009
    While installing the exhaust bypass valve delete spacer in my '95 355 last night I noticed that the plastic intake ducts that feed into the airboxes have a Y-configuration. One side of the Y is obviously the air intake but the other side is completely blocked off on the end. Is this a sort of sound resonator or maybe a part that's common with another model? It appears to have no function whatsoever.

    BTW the valve delete sounds great as many of you have mentioned!
     
  2. gothspeed

    gothspeed F1 World Champ

    May 26, 2006
    10,244
    U.S.A.
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    goth
    #2 gothspeed, Oct 9, 2009
    Yes they are 'resonators' and are only on 1995 euro/ROW F355s ...... :)
     
  3. technician F

    technician F Karting

    Sep 15, 2009
    57
    #3 technician F, Oct 10, 2009
    the resonator use to reduce the sound of intake air.
     
  4. BrandSB

    BrandSB Karting

    Jun 11, 2008
    236
    Canton, Michigan
    Full Name:
    Steve
    #4 BrandSB, Oct 10, 2009
    Thanks, that makes sense. Wonder what objectionable sound they were trying to neutralize? BTW, what does 'ROW' refer to? Mine's a Sept. '94 build.....thx!
     
  5. 355

    355 F1 Rookie
    BANNED

    Jan 4, 2005
    3,643
    Toronto
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    Frank
    #5 355, Oct 10, 2009
    And they can be replaced by straight pipe just like the Challenge cars for better air flow and probably a couple of horses.
     
  6. saw1998

    saw1998 F1 Veteran

    Jun 8, 2008
    8,237
    San Antonio, Texas
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    Scott
    #6 saw1998, Oct 10, 2009
    Better yet...use an O-ringed, block-off plug fabricated in the dark, dank Gothspeed underground laboratory.
     
  7. BrandSB

    BrandSB Karting

    Jun 11, 2008
    236
    Canton, Michigan
    Full Name:
    Steve
    #7 BrandSB, Oct 10, 2009


    Great, more nuggets of institutional forum knowledge! How/where does one get his hands on Challenge straight pipes (Ricambi?) or Gothspeed block-off plugs (PM to follow)?

    BTW, is there a comprehensive list of all mods on the Challenge cars that could be adapted for street apps? I keep learning about Challenge parts (adjustable sway bar links most recently) that can be substituted. TIA
     

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