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Doug thorley header sound?

Discussion in 'Performance and Tuning' started by SoCalTacoma, Jun 6, 2008.

  1. Jun 6, 2008 at 10:17 PM
    #1
    SoCalTacoma

    SoCalTacoma [OP] Well-Known Member

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    I just installed thorely longtube headers. Is it supposed to sound raspy??. i have trd intake and stock exhaust.
     
  2. Jun 6, 2008 at 10:20 PM
    #2
    tacomaman06

    tacomaman06 Carolina Alliance: Enforcer

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    getting there....
    not too sure about the raspy part,as i dont have them as of yet, but they may need to break in a bit. the intake usually makes an intake a bit louder, but the tubes may be resonating a bit more than shorty headers. probably normal.
     
  3. Jun 6, 2008 at 10:58 PM
    #3
    05PreRunner

    05PreRunner "Living life in the FAST lane..."

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    <-(714)-> SO-CAL
    TRD intake, JBA "shorty" headers, URD y-pipe
    post a video or a soundclip when you get a chance...;)
     
  4. Jun 7, 2008 at 12:15 AM
    #4
    SoCalTacoma

    SoCalTacoma [OP] Well-Known Member

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    I would put a sound clip but i dont have anything to record the sound. Im in orange county if u want to hear the trd and thorley header sounds..it sounds raspy after around 4 thousand rpms.Maybe i should double check the tightness of the bolts again.
     
  5. Jun 7, 2008 at 5:00 AM
    #5
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Good idea. Any header I have installed eleminated noises in the exhaust.
     
  6. Jun 7, 2008 at 12:35 PM
    #6
    SoCalTacoma

    SoCalTacoma [OP] Well-Known Member

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    Well i double check every bolts. All bolts are tight. oh well I guess its the way its suppose to sound.Performance wise, i didnt feel much of a difference. It seems a little more power on the low end.Excellent quality headers, fits perfectly.
     
  7. Jun 9, 2008 at 8:25 PM
    #7
    doc_holijay

    doc_holijay Member

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    DTLT|URD 3" exhaust|B&M S/S|BHLM+FLM
    i hated the sound of the DTLT's with stock exhaust. It sounds much better with the URD Exhaust
     
  8. Jun 11, 2008 at 10:36 AM
    #8
    pumo420

    pumo420 Well-Known Member

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    silver star headlights, optima yellow top battery, 2X10 mtx thunder 4500 speakers, kicker kx 400 amp, pioneer headunit, injen air intake, flowmaster dual exhaust, doug thorley long tube headers. waiting to put on urd maf caliberater, urd o2 senser, urd supercharger and 7th injector setup.i Fell
    I have the doug thorley headers as well, i read that the rasp is from the exhuast manifolds being cold. Once they warm the rasp is gone and have the awesome sound of a bad ass truck.
     
  9. Jun 11, 2008 at 10:39 AM
    #9
    lsocoee

    lsocoee My hair is all natural Moderator

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    I've heard a lot of raspy doug thorley long tubes. It was most prominent at a certain RPM towards the middle or the revs.
     
  10. Jun 11, 2008 at 1:29 PM
    #10
    tacoskim

    tacoskim Tuned By Gadget

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    i love the sound of my JBAs!!! :D:D:D
     
  11. Jun 11, 2008 at 2:17 PM
    #11
    roxspin72

    roxspin72 Enjoying my addiction

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    +1
    JBA's/URD Y-pipe/Borla CAT-Back= F-in Hell Yeah!!!:cool:
     
  12. Jun 11, 2008 at 2:36 PM
    #12
    tacoskim

    tacoskim Tuned By Gadget

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    i love driving slow with dem. it sounds like a mini V8
     
  13. Jun 11, 2008 at 2:44 PM
    #13
    SoCalTacoma

    SoCalTacoma [OP] Well-Known Member

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    I just finished installing a jardine catback. the raspy sound is pretty much gone. It is mainly raspy in the morning when cold.
     
  14. Jun 11, 2008 at 2:47 PM
    #14
    lsocoee

    lsocoee My hair is all natural Moderator

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    I don't see any pics of your grill. When can we expect to see a few?
     
  15. Jun 11, 2008 at 3:24 PM
    #15
    SoCalTacoma

    SoCalTacoma [OP] Well-Known Member

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    sometime today, digital camera is still charging
     
  16. Jun 11, 2008 at 8:13 PM
    #16
    tacoma2055

    tacoma2055 New Member

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    TRD INTAKE DTLTH SITTIN SIC
    true that :bananadance: lol... with the stock exhaust there is rasp i had it for a while i have urd y and cat back along with the headers and its loud but no to loud i like the sound and there is little rasp only when cold and between 3.4k and 3.8k
     
  17. Jun 11, 2008 at 8:39 PM
    #17
    hail-bop Command

    hail-bop Command Well-Known Member

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    I have DTLH's and they do sound raspy..... This is normal because your eliminating your front cats. The front cats act as resonators to resonate the sound which prevents the raspy sound given off on acceleration. DT makes a Y pipe that has resonators in place of the factory cats and it eliminates that annoying sound..... So I've heard.
     
  18. Jun 12, 2008 at 11:07 AM
    #18
    roxspin72

    roxspin72 Enjoying my addiction

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    I think you are talking about the Pipe Bombs. But I believe they are still in the developement stage.

    I would agree with previous statements: If you add high flow headers to your restrictive stock exhuast, it is probably interupting the efectiveness of the headers ability to scavange the air out of the exhuast heads.

    Free up you Cat-back with at least a high flow muffler, or go with a better but more expensive Cat-back, which will probably solve your problem. Hell, when I added a URD Y-pipe to my set up, it created an even deaper tone. So, even the stock Y-pipe is preventing the headers from working to there full effectiveness.

    Just a thought.
     
  19. Jun 12, 2008 at 11:11 AM
    #19
    hail-bop Command

    hail-bop Command Well-Known Member

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    So how do you like your URD Y pipe? Was it worth the investment..
     
  20. Jun 12, 2008 at 11:34 AM
    #20
    roxspin72

    roxspin72 Enjoying my addiction

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    It will grow old with my truck. 100% better quality than stock piping. Plus now I have complete stainless from Headers to tip. Yes it was well worth it.

    Too bad toyota cant take pride in the exhaust piping like URD and others do. Guess thats why the After market will always profit.
     
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