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dynomax muffler or catback

Discussion in 'Performance and Tuning' started by cantac09, Sep 8, 2009.

  1. Sep 8, 2009 at 7:52 PM
    #1
    cantac09

    cantac09 [OP] Official TW Igloo Builder

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    so i was reading on here that dynomax gives you the most power. but do i need to get the catback to get the gains or can i just go for the muffler?
     
  2. Sep 8, 2009 at 7:53 PM
    #2
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    4.10 gears, sliders, and lots of buttons.
    Most gain comes from the muffler.
     
  3. Sep 8, 2009 at 7:54 PM
    #3
    cantac09

    cantac09 [OP] Official TW Igloo Builder

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    wow that was quick!
    so if i just buy the muffler i may get the 5hp gain that you got
     
  4. Sep 8, 2009 at 7:55 PM
    #4
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    4.10 gears, sliders, and lots of buttons.
    You should. I havent dynoed the muffler alone, but others have, and shown pretty close to what I did.
     
  5. Sep 8, 2009 at 7:56 PM
    #5
    cantac09

    cantac09 [OP] Official TW Igloo Builder

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    thats good now im gonna have to find one
     
  6. Sep 11, 2009 at 9:29 PM
    #6
    cantac09

    cantac09 [OP] Official TW Igloo Builder

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    whats the part number for the muffler
     
  7. Sep 12, 2009 at 5:40 PM
    #7
    cantac09

    cantac09 [OP] Official TW Igloo Builder

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  8. Sep 12, 2009 at 5:43 PM
    #8
    beastlytaco

    beastlytaco Well-Known Member

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    so, if he can get just 5 from the muffler, how much can you get from a catback system? close to 8? or ten?
     
  9. Sep 12, 2009 at 5:47 PM
    #9
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    4.10 gears, sliders, and lots of buttons.
    I tested a 2.5" cat back with the dynomax muffler, and IIRC, it was about 8.
     
  10. Sep 12, 2009 at 8:38 PM
    #10
    beastlytaco

    beastlytaco Well-Known Member

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    oh ok. well i would hate to think i wasted my money on a exhaust if it didnt yield hardly any gains. i mean granted yeah i know its hard to get HP from bolt ons, but ya know, its a cheap method
     
  11. Sep 12, 2009 at 8:43 PM
    #11
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    4.10 gears, sliders, and lots of buttons.
    Its really hard to get big gains from our trucks. I belive the DTLT headers are only good for about 3 hp or so...
     
  12. Sep 12, 2009 at 8:45 PM
    #12
    beastlytaco

    beastlytaco Well-Known Member

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    what about the shortys. remember, i gots the 4 banger ;)
     
  13. Sep 12, 2009 at 8:48 PM
    #13
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    4.10 gears, sliders, and lots of buttons.
    Actually, The best gains I have seen from a header have been on the 2.7. DT has a Try Y for your truck I belive?
     
  14. Sep 12, 2009 at 8:51 PM
    #14
    beastlytaco

    beastlytaco Well-Known Member

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    yes. DT tri Y header. with air injection port. comes in ceramic and chrome coated. what were the gains on that like? im looking to get some hopefully very soon.
     
  15. Sep 12, 2009 at 8:53 PM
    #15
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    I havent dynoed a second gen 2.7, but the Try Y NWOR header gave me IIRC 14 h.p. or so....It was VERY noticable. Many times when driving in 5th gear, I would accelerate, and think I was in 4th.
     
  16. Sep 12, 2009 at 9:00 PM
    #16
    beastlytaco

    beastlytaco Well-Known Member

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    holy cow. thats pretty good. so, do you think it could be better with the second gens engine and all that? i mean 14 extra hp alone would put me over 170 vs the stock 159. but granted, it needs to be dynoed to be sure.
     
  17. Sep 12, 2009 at 9:12 PM
    #17
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    I went from 105 to about 118 or 119 at the wheels IIRC. No idea on how the second gens will react, as they have the VVT-i, which boosts low end torque/hp. The first gens didnt have that. Do a before and after dyno if you can.
     
  18. Sep 12, 2009 at 9:16 PM
    #18
    beastlytaco

    beastlytaco Well-Known Member

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    ill see if i can. i know a place thats local that has a dyno. ill see if they will let me do a dyno run
     
  19. Sep 12, 2009 at 9:37 PM
    #19
    cantac09

    cantac09 [OP] Official TW Igloo Builder

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    so does anyone know the model number for the dynomax muffler
     
  20. Sep 12, 2009 at 9:39 PM
    #20
    tacomaman06

    tacomaman06 Carolina Alliance: Enforcer

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    getting there....
    most of them will work..........2.5 inch will probably work best......center in/offset out.
     

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