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Exhaust question

Discussion in '4 Cylinder' started by maxpower29, Apr 7, 2011.

  1. Apr 7, 2011 at 6:48 PM
    #1
    maxpower29

    maxpower29 [OP] Well-Known Member

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    All season mats, 2nd filter delete, DT header, Jardine cat-back, URD shifter, Bilstein 5100's all around at .85 front with Eibachs + .25 passenger/.5 drivers spacers and 1.5 AAL, 0w20 synthetic, Scanguage II, extra D rings, OEM backup camera+Mirror, bed mat, Extang Solid Fold, Popnlock 5300, Pro Comp 7089's 4.5bs 285/70/17 Revo 2s, De-badged
    Does anyone have a picture of the stock exhaust layout? Im trying to figure out what I should buy for my truck when its here, and Im not suree what will work best. Like will a hi-flow catconverter mess with and o2 sensors?
    I really would like to take the stock full exhaust off and buy after market headers, converter and exhaust so its easy to put back to stock when I sell. Any help would be awesome
     
  2. Apr 7, 2011 at 6:57 PM
    #2
    Who Dat Popcorn

    Who Dat Popcorn Dafuq

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  3. Apr 7, 2011 at 7:00 PM
    #3
    jandrews

    jandrews Carolina Alliance Southwest Region Ambassador

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    Factory cats are already hi-flow.

    If you want a more aggressive sound, you can have a muffler welded in. Changing pipe diameter from the cats back will also help with that.

    What exactly is your goal?
     
  4. Apr 7, 2011 at 7:02 PM
    #4
    maxpower29

    maxpower29 [OP] Well-Known Member

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    2011
    Just looking for a good, not so load sound and obviously any power/mpg gain
    I had 2 hi flow magnaflow cats and a catback on my old silverado and I liked it. Thats why I asked
     
  5. Apr 7, 2011 at 7:03 PM
    #5
    maxpower29

    maxpower29 [OP] Well-Known Member

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    All season mats, 2nd filter delete, DT header, Jardine cat-back, URD shifter, Bilstein 5100's all around at .85 front with Eibachs + .25 passenger/.5 drivers spacers and 1.5 AAL, 0w20 synthetic, Scanguage II, extra D rings, OEM backup camera+Mirror, bed mat, Extang Solid Fold, Popnlock 5300, Pro Comp 7089's 4.5bs 285/70/17 Revo 2s, De-badged
    Whats the stock size and best recomended size?
     
  6. Apr 7, 2011 at 7:04 PM
    #6
    jandrews

    jandrews Carolina Alliance Southwest Region Ambassador

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    You're not going to get any power or MPG changes out of an exhaust setup without tuning the ECU, and that gets expensive.

    For sound, start with a muffler, and perhaps adjust pipe diameter from the cats back. Bolt-on catbacks make for the easiest solution, but are a little more expensive than just having a muffler welded in.

    Stock is 1.75" into the muffler, 2.25" out...I think. It's been a while since I had to dick with exhaust.

    Recommended? By whom? And for what? You can alter your sound a bit by twiddling with exhaust diameter, but that's really a matter of preference.
     
  7. Apr 7, 2011 at 7:06 PM
    #7
    maxpower29

    maxpower29 [OP] Well-Known Member

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    All season mats, 2nd filter delete, DT header, Jardine cat-back, URD shifter, Bilstein 5100's all around at .85 front with Eibachs + .25 passenger/.5 drivers spacers and 1.5 AAL, 0w20 synthetic, Scanguage II, extra D rings, OEM backup camera+Mirror, bed mat, Extang Solid Fold, Popnlock 5300, Pro Comp 7089's 4.5bs 285/70/17 Revo 2s, De-badged
    damn, your right. Im so use to picking the lapton up and making my own little ecu hack on my old civic it didnt even go through my head. meh. Im adding a header as well, that should do something
     
  8. Apr 7, 2011 at 7:10 PM
    #8
    TacoVerde

    TacoVerde Well-Known Member

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    [​IMG]

    [​IMG]

    05 2.7
     
  9. Apr 7, 2011 at 7:10 PM
    #9
    maxpower29

    maxpower29 [OP] Well-Known Member

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    All season mats, 2nd filter delete, DT header, Jardine cat-back, URD shifter, Bilstein 5100's all around at .85 front with Eibachs + .25 passenger/.5 drivers spacers and 1.5 AAL, 0w20 synthetic, Scanguage II, extra D rings, OEM backup camera+Mirror, bed mat, Extang Solid Fold, Popnlock 5300, Pro Comp 7089's 4.5bs 285/70/17 Revo 2s, De-badged
    well thats alot when you think of it. nothing else will give you that unless you start throwing air into it
     
  10. Apr 7, 2011 at 7:12 PM
    #10
    maxpower29

    maxpower29 [OP] Well-Known Member

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    All season mats, 2nd filter delete, DT header, Jardine cat-back, URD shifter, Bilstein 5100's all around at .85 front with Eibachs + .25 passenger/.5 drivers spacers and 1.5 AAL, 0w20 synthetic, Scanguage II, extra D rings, OEM backup camera+Mirror, bed mat, Extang Solid Fold, Popnlock 5300, Pro Comp 7089's 4.5bs 285/70/17 Revo 2s, De-badged
    wow, that muffler looks like a can of apple juice
     
  11. Apr 7, 2011 at 7:13 PM
    #11
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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  12. Apr 7, 2011 at 7:13 PM
    #12
    maxpower29

    maxpower29 [OP] Well-Known Member

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    no but its always fun to upgrade your baby. thats the best part!
     
  13. Apr 7, 2011 at 7:18 PM
    #13
    jandrews

    jandrews Carolina Alliance Southwest Region Ambassador

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    $500 for 7 hp you will NEVER USE unless you redline every gear.

    In other words, a complete waste of money unless the exhaust note change is worth that kind of cha-ching to you.
     
  14. Apr 7, 2011 at 7:21 PM
    #14
    TacoVerde

    TacoVerde Well-Known Member

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    bounce the rev limiter with the doug thorley cat back and tell me its not worth it lol:eek:

    i got the cat back for free and the header used so it was worth it lol

    but i feel a differance in 5th
     
  15. Apr 7, 2011 at 7:28 PM
    #15
    jandrews

    jandrews Carolina Alliance Southwest Region Ambassador

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    I don't care for the sound of headers on these trucks. Especially not the 4 cylinders. But whatever floats your boat.
     
  16. Apr 7, 2011 at 8:06 PM
    #16
    TacoVerde

    TacoVerde Well-Known Member

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    its an acquired taste i grew up with nothing but yotas haha especially the 4 bangers
     
  17. Apr 8, 2011 at 6:25 AM
    #17
    maxpower29

    maxpower29 [OP] Well-Known Member

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    so best bang for buck I should get a header, replace the muffler with a magnaflow one? or other, and basically leave the rest?
     
  18. Apr 8, 2011 at 6:35 AM
    #18
    especk

    especk Nothin' Special

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    I've heard a doug thorley header with a magna flow and it sounds really good. I have the dough thorley header with a doug thorley exhaust and I think it sounds awesome. Check out the 2 vids of my exhaust in my build page (pg 1)
     
  19. Apr 8, 2011 at 11:39 AM
    #19
    TacoVerde

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    basically yeah, headers are supposed to be the best bang for your buck.. theres three company's that i know of that make headers for the 05+ 4 cylinders

    obx
    doug thorley
    lcengineering

    but i heard the obx ones have a cheap thin flange and warp easily causing exhaust leaks and cel's
     
  20. Apr 8, 2011 at 12:55 PM
    #20
    maxpower29

    maxpower29 [OP] Well-Known Member

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    ohhhh ya, obx is shit. I saw a turbo manifold crumble in someones hands once
     
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