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First gen headers

Discussion in 'Performance and Tuning' started by Phillipk98, Sep 12, 2017.

  1. Sep 12, 2017 at 7:30 PM
    #1
    Phillipk98

    Phillipk98 [OP] 05 sequoia

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    I have what sounds like a real good exhaust leak in the hood. Thinking of just nipping in the butt and putting new headers on.

    What brands have y'all run and price. Thanks y'all.
     
  2. Sep 13, 2017 at 7:53 AM
    #2
    dirtydeeds

    dirtydeeds Exhaust Fabricator Vendor

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    Best advice I can give you after being into tundras since 2003, only install long tube headers. Do not install shorties.

    Stans long tubes are a great option. And we are about to debut another brand as well;)

    Check out Www.dirtydeedsindustries.com

    And call me if you have any questions. 760-877-4234
     
    theblurry1 and Toytec Lifts like this.
  3. Sep 16, 2017 at 6:55 AM
    #3
    Phillipk98

    Phillipk98 [OP] 05 sequoia

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    Thank you sir
     
  4. Sep 16, 2017 at 7:23 AM
    #4
    Bear

    Bear Fargin' Iceholes

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    Downey used to make some good stuff back in the day...
     
    Phillipk98[OP] likes this.
  5. Oct 10, 2017 at 11:26 AM
    #5
    Rex Kramer

    Rex Kramer Vinyl Spinner

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    I installed JBA Cat-Forward headers 13 years ago, Love them.
     
  6. Oct 10, 2017 at 9:47 PM
    #6
    Phillipk98

    Phillipk98 [OP] 05 sequoia

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    Thank ya sir
     
  7. Oct 10, 2017 at 9:50 PM
    #7
    Phillipk98

    Phillipk98 [OP] 05 sequoia

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    Can I ask why you installed them? And why you went with those ones.
     
  8. Oct 11, 2017 at 3:53 AM
    #8
    Rex Kramer

    Rex Kramer Vinyl Spinner

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    My original manifolds were ticking, and these were the best direct bolt on replacements at the time.
     
    Phillipk98[OP] likes this.
  9. Oct 11, 2017 at 6:36 PM
    #9
    Phillipk98

    Phillipk98 [OP] 05 sequoia

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    I see. Thats basically where I'm at now. Did you do anything else further down the exhaust? Did you notice any power change?
     
  10. Oct 11, 2017 at 6:52 PM
    #10
    Rex Kramer

    Rex Kramer Vinyl Spinner

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    Everything behind the headers is bone stock... The throttle response, including kick down acceleration is improved.
     
  11. Oct 11, 2017 at 6:56 PM
    #11
    Phillipk98

    Phillipk98 [OP] 05 sequoia

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    Nice. Thanks for the info!:thumbsup:
     
  12. Oct 28, 2017 at 5:16 AM
    #12
    20limited04

    20limited04 New Member

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    Rex, did you do the install yourself? I have a manifold leak and was able to find a guy selling new JBA shorties for $200!! Some forums and youtube videos are stating you have to remove the diver side motor mount to remove the stock manifold and install the header.

    Does that sound correct? I don't like surprises. Want to know what I'm getting into before I start the job.
     
    Phillipk98[OP] likes this.
  13. Oct 28, 2017 at 5:22 AM
    #13
    Rex Kramer

    Rex Kramer Vinyl Spinner

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    I had a local shop install them for me, and I'm not sure what the procedure was.
     
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  14. Oct 28, 2017 at 5:27 AM
    #14
    20limited04

    20limited04 New Member

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    What's the reasoning behind this? Is it the performance difference compared to price (short vs. long) or just preference? I grabbed a pair of JBA shorties for cheaper than OEM manifolds. Just looking to fix the leak. Are short tubes going to cause an issue?
     
  15. Oct 28, 2017 at 5:32 AM
    #15
    Rex Kramer

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    The short tubes are basically a direct bolt on replacement of the factory exhaust manifold, long tubes require extra work. I don't believe either of them will give you any appreciable increase in HP or Torque, but the ticking stops.
     
  16. Oct 28, 2017 at 7:58 AM
    #16
    dirtydeeds

    dirtydeeds Exhaust Fabricator Vendor

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    Yes. Short tubes are going to cause an issue. They lose low end torque to the point that the truck is no fun to drive. If long tubes aren’t an option go with stock manifolds.
     
  17. Oct 28, 2017 at 7:59 AM
    #17
    dirtydeeds

    dirtydeeds Exhaust Fabricator Vendor

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    Long tubes are actually easier to install than shorties. And they are a direct bolt on using bamufflers mid pipes. And long tubes gain 30 hp and 30 lb tq to the rear wheels over stock.

    Shorties gain zero hp/tq and lose low end torque.
     
  18. Oct 28, 2017 at 9:47 AM
    #18
    20limited04

    20limited04 New Member

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    This confuses me... Why would a company like JBA sell headers that are worse than stock manifolds for twice the cost? And claim increased low end torque?

    I thought JBA was reputable... You guys sell them for the 4.6 on your site
     
  19. Oct 28, 2017 at 10:03 AM
    #19
    Rex Kramer

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    Short tube JBA's do not reduce low end torque and they are not worse than stock manifolds.
     
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  20. Oct 28, 2017 at 10:16 AM
    #20
    20limited04

    20limited04 New Member

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    Do you have information regarding removal of and installation of manifolds/headers? Do you have to remove the motor mounts on the driver's side to access some of the hardware?
     
    Last edited: Oct 28, 2017
  21. Oct 28, 2017 at 10:28 AM
    #21
    Rex Kramer

    Rex Kramer Vinyl Spinner

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    Let's be clear, the short tube JBA's are an upgrade over factory manifolds.
    There is no loss of HP, or torque when JBA cat-forward headers are installed - none.
     
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  22. Oct 28, 2017 at 10:37 AM
    #22
    20limited04

    20limited04 New Member

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    Thanks for the information guys! I wasn't trying to start an argument... The headers are sitting in my garage, so needless to say (right or wrong) they're going on the truck, haha. I'm not racing this thing through the Mojave, so I'm not looking for huge gains. Just no more ticking!!
     
    Last edited: Oct 28, 2017
    Rex Kramer likes this.
  23. Oct 28, 2017 at 5:56 PM
    #23
    dirtydeeds

    dirtydeeds Exhaust Fabricator Vendor

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    I’m not on for an argument either. Just giving advice based on over 20 years of racing various cars. 15 if which is tundras;)

    Low end torque loss isn’t noticed where most people look for it btw. And shorties lose a lot of low end torque.

    If it’s a truck you’re selling install em. If you’re gonna keep it, well....
     
  24. Oct 29, 2017 at 3:52 AM
    #24
    Rex Kramer

    Rex Kramer Vinyl Spinner

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    Over 40 years experience racing & hot roding here... the JBA short tube headers do NOT reduce your torque or HP when compared to the factory Gen 1 Toyota 4.7L exhaust manifolds. That's not an argument - that's a fact.
     
  25. Oct 29, 2017 at 9:52 AM
    #25
    dirtydeeds

    dirtydeeds Exhaust Fabricator Vendor

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    I’ve never said jba headers will lose hp. I agree with that fact.

    I also never said they will reduce your torque. I agree with that fact as well.

    Matter of fact I’ve dyno tested and track tested both of your facts. And again, I agree with them.

    But since there is no gain in hp or tq, and low end torque goes down the toilet with said shorties, just trying to inform others of the facts that I’ve discovered.

    That’s kind of my job.
     
    revtune and Rex Kramer like this.
  26. Dec 2, 2017 at 11:35 AM
    #26
    dirtydeeds

    dirtydeeds Exhaust Fabricator Vendor

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    I’ve seen $500-$1000 depending on which part of the country you’re in.
     
  27. Dec 2, 2017 at 11:37 AM
    #27
    Rex Kramer

    Rex Kramer Vinyl Spinner

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    My low end torque improved with JBA short tube headers... the truck launches better after they were installed. I understand that long tube headers are all that and a slice of bread, but installing the short tube headers was less of a hassle 14 years ago.
     
  28. Nov 7, 2019 at 12:35 PM
    #28
    MDobb79

    MDobb79 New Member

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    Aren't long tubes illegally for road use? I have been considering the JBA shorties as well as the rest of the exhaust system. I'd go long tubes as long as I can pass emissions here in Utah.
     
    dirtydeeds[QUOTED] likes this.
  29. Nov 11, 2019 at 8:26 AM
    #29
    dirtydeeds

    dirtydeeds Exhaust Fabricator Vendor

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    Check with your local emissions shop or however they do it. But pretty sure they will pass in Utah.
     

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