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Glasspacks

Discussion in '1st Gen. Tacomas (1995-2004)' started by tacomaprerunner, Nov 23, 2010.

  1. Nov 23, 2010 at 8:07 PM
    #1
    tacomaprerunner

    tacomaprerunner [OP] Dang liberals.

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    Alright I'm gonna be 'that guy' and probably start a vicious one sided debate on why not to throw a glasspack on a 3.4, but let's at least try for a civil disussion.

    I understand that a lot of people consider a glasspack on a V6 to be 'ricey'. That's your opinion. I see (hear) both sides of that argument.

    I also understand that a 6 cylinder will never sound as 'deep' or 'throaty' as an 8 cylinder.

    So basically what I'm saying is talk to me. I'll listen and consider whatever you got to say. A few friends of mine really suggest throwing one on there, but I'm a little skeptical.
     
  2. Nov 23, 2010 at 8:12 PM
    #2
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Glasspacks are kinda "Old school". You can get better sound, and performance, from a tuned muffler, or cat back.
     
  3. Nov 23, 2010 at 8:17 PM
    #3
    tacomaprerunner

    tacomaprerunner [OP] Dang liberals.

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    In terms of performance, is that a reference to the lack of back pressure from a glasspack?
     
  4. Nov 23, 2010 at 8:22 PM
    #4
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    On modern engines, "Back pressure" is not really aplicable. "Back pressure" would mean a restriction. The exhaust performs best when Scavenging is optimized. Many "Performance" exhaust systems or mufflers can maximise the engines scavenging, and give a slight gain in hp/tq. Glass packs simply let the exhaust flow straight thru, and kill the bottom end hp.
     
  5. Nov 23, 2010 at 8:25 PM
    #5
    memario1214

    memario1214 Vivid Illumination Vendor

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    Yeah, I gots boost
    I have one inline with my muffler to eliminate rasp and I am very pleased with it.
     
  6. Nov 23, 2010 at 8:26 PM
    #6
    tacomaprerunner

    tacomaprerunner [OP] Dang liberals.

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    How significantly?
     
  7. Nov 23, 2010 at 8:27 PM
    #7
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    You will notice it.
     
  8. Nov 23, 2010 at 8:27 PM
    #8
    tacomaprerunner

    tacomaprerunner [OP] Dang liberals.

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    Before the muffler I assume?
     
  9. Nov 23, 2010 at 8:27 PM
    #9
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Used in this mannor, they work well.
     
  10. Nov 23, 2010 at 8:28 PM
    #10
    tacomaprerunner

    tacomaprerunner [OP] Dang liberals.

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    Roger that. Thanks for the input
     
  11. Nov 23, 2010 at 8:30 PM
    #11
    memario1214

    memario1214 Vivid Illumination Vendor

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    Yeah, I gots boost
    It is not terrible, but low end you will notice it. I'm convinced that I have higher top end though.

    That is correct. Videos of my truck are in my sig if you're interested. I also have an "exhaust build" thread floating around here somewhere if you are at all interested.
     
  12. Nov 23, 2010 at 8:42 PM
    #12
    tacomaprerunner

    tacomaprerunner [OP] Dang liberals.

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    Checked out the videos. That sounds great man. I found this on YouTube after watching your videos - this is a 3.4
    http://www.youtube.com/watch?v=CxG8I94pCzk&feature=related

    edit - and is this the link you were talking about?
    http://www.tacomaworld.com/forum/pe...ting-my-cats-adding-aero-turbine-muffler.html
     
  13. Nov 24, 2010 at 10:43 AM
    #13
    ak.rideon

    ak.rideon Well-Known Member

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    imo i think glasspacks sound alright but i do agree that they are more "old school." i wouldnt put a glasspack on a 3.4 but on the other hand i would def put glasspacks on an old ford. but everyone has different prefrences if u know what i mean.

    And that aero turbine 2525 sounds very nice and clean on a 3.4. i saw that you tube vid and loved it from the first time i heard it.
     
  14. Nov 24, 2010 at 10:55 AM
    #14
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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  15. Nov 24, 2010 at 3:01 PM
    #15
    tacomaprerunner

    tacomaprerunner [OP] Dang liberals.

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  16. Nov 24, 2010 at 3:16 PM
    #16
    memario1214

    memario1214 Vivid Illumination Vendor

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    Yeah, I gots boost
    Stay the same size as long as all other engine components stay the same. If you boost a vehicle, then piping size changes make more sense...
     
  17. Nov 24, 2010 at 3:25 PM
    #17
    tacomaprerunner

    tacomaprerunner [OP] Dang liberals.

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    Ya I decided to rule out a glasspack. Did some more research and talked to a guy at O'Reillys, and the overwhelming majority of information basically considered them outdated. From what I've read and heard from people, it'll sound good for about 4 months, but by then most of the fiberglass will have blown out and it'll sound worse than what I began with.

    I know some guys on here are running glasspacks and haven't had any problems. That's great, but it's not something I really wanna deal with now. I'll probably throw on a Flowmaster 40 series in the near future - for performance and sound.
     
  18. Nov 24, 2010 at 4:10 PM
    #18
    memario1214

    memario1214 Vivid Illumination Vendor

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    Yeah, I gots boost
    The lack of longevity on them is exactly why I bought a larger one and installed it in reverse. It sounds counter-intuitive, but it still works well and I see it working at near full potential for a couple years minimum. But ruling it out is your call... I am just trying to guide you with what I know/have learned. Good luck, let us know how it goes, and let me know if you have any questions!
     
  19. Nov 24, 2010 at 4:44 PM
    #19
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    This ^^^
     
  20. Nov 24, 2010 at 4:46 PM
    #20
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    FWIW, On the Tacoma V6's, Ive found that you can go up to a 2.5" pipe before you start to loose any low/mid range hp. Going larger than 2.75", the loss begins to negate the gains in the upper rpms, IMHO.
     
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