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Best Bang For Your Buck 4 Cylinder Mods

Discussion in '4 Cylinder' started by 4x4Banger, Nov 19, 2014.

Page 5 of 7
  1. Mar 12, 2016 at 9:13 PM
    #81
    tooter

    #81
    tooter play every day

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    2012, std cab, 5 lug, 2.7, 5 speed
    Built for maximum low end torque, tooter II.VII intake manifold spacer, LCE long tube header, Injen long tube intake, 2,900 rpm torque peak.
    LCE also makes a long tube header for the 1st gens. This what it looks like on my 1996 after running it for over ten years. The finish holds up really well...

    IMG_0166_zpsf55cbaa1_a160473be1bad345be6f141cdc591e0669a358a4.jpg

    The runners are long enough to eliminate the down tube and to bolt directly onto the cat. Makes lots of low end torque. :)

    Greg
     
    tooter, Mar 12, 2016
    #81
    namad33m0 and TownvilleTim like this.
  2. Mar 12, 2016 at 9:18 PM
    #82
    tooter

    #82
    tooter play every day

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    2012, std cab, 5 lug, 2.7, 5 speed
    Built for maximum low end torque, tooter II.VII intake manifold spacer, LCE long tube header, Injen long tube intake, 2,900 rpm torque peak.
    No. I left the stock cat alone so that it would pass smog inspections. Cats don't hurt performance.

    Greg
     
    tooter, Mar 12, 2016
    #82
  3. Mar 13, 2016 at 3:27 PM
    #83
    Ritchie

    #83
    Ritchie Well-Known Member

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    2.7 w/auto, 4WU 3 link, F & R Diamonds, ARB's F/R w/ Yukon 5.29's, Inchworm 4.7 Lefty, Deavers, ARB OBA, Schrockworks up front.
    How many cats do you have on your 2012?

    My '03 has 2 which eliminated any thoughts on going with the long tube header.
     
    Ritchie, Mar 13, 2016
    #83
  4. Mar 13, 2016 at 5:53 PM
    #84
    tooter

    #84
    tooter play every day

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    2012, std cab, 5 lug, 2.7, 5 speed
    Built for maximum low end torque, tooter II.VII intake manifold spacer, LCE long tube header, Injen long tube intake, 2,900 rpm torque peak.
    My 2012 has (edit) two cats, and they don't interfere with the exhaust flow. Long tube headers allow the engine to reach it's peak torque at lower rpms.

    Greg
     
    Last edited: Mar 14, 2016
    tooter, Mar 13, 2016
    #84
  5. Mar 14, 2016 at 6:55 AM
    #85
    crawl

    #85
    crawl Well-Known Member

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    Greg
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    ^^ 2nd gen 2TR-FE motor has TWO cats... 100% positive because i cut the second one out.

    it does very little other than further reduce emissions and has no post cat o2 sensor like the first cat. the restriction in flow is minimal, but there.
    power gains from removing it?.... I have no clue because I never did a dyno back to back for comparison.
     
    crawl, Mar 14, 2016
    #85
  6. Mar 14, 2016 at 7:22 AM
    #86
    Kwik

    #86
    Kwik Well-Known Member

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    Thanks Tooter, much appreciated!
     
    Kwik, Mar 14, 2016
    #86
  7. Mar 14, 2016 at 7:40 AM
    #87
    Kwik

    #87
    Kwik Well-Known Member

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    Does your truck still pass emissions with only one cat?
     
    Kwik, Mar 14, 2016
    #87
  8. Mar 14, 2016 at 7:55 AM
    #88
    crawl

    #88
    crawl Well-Known Member

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    will NOT pass "visual inspection" in Cali. tailpipe emission test is no longer required for year 2000+....... they only do visual and plug into obd2 port now.

    some places will not even check visual.. or you ask them to please close their eyes and buy them donuts
     
    crawl, Mar 14, 2016
    #88
  9. Mar 14, 2016 at 9:27 AM
    #89
    Kwik

    #89
    Kwik Well-Known Member

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    I'm looking into getting the Flowmaster delta 50 you recommended. Which combination of inlets and outlets did you find fit the best, center in center out, offset in center out, etc.. Thanks again tooter, sry for all the q's.
    Cool thanks!
     
    Kwik, Mar 14, 2016
    #89
    4x4Banger[OP] likes this.
  10. Mar 14, 2016 at 11:38 AM
    #90
    Kwik

    #90
    Kwik Well-Known Member

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    Is the exhaust 2.25" or 2.5"? Thanks
     
    Kwik, Mar 14, 2016
    #90
  11. Mar 14, 2016 at 11:39 AM
    #91
    4x4Banger

    #91
    4x4Banger [OP] Gold Member

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    Ham
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    Boom! The thread is coming back to life!
    I asked the same thing in a pm. Its a 2.5 inch center inlet and off center outlet work best. He said that center/center a muffler shop could make work. You will also need extra pipe because the muffler is shorter then the stock muffler. I will be doing this mod shortly
     
    4x4Banger, Mar 14, 2016
    #91
    mahaloTaco likes this.
  12. Mar 14, 2016 at 11:57 AM
    #92
    Kwik

    #92
    Kwik Well-Known Member

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    That's good to know, thanks! However i was under the impression the exhaust is actually 2.25" so wouldn't the muffler have to be that size as well?
     
    Kwik, Mar 14, 2016
    #92
  13. Mar 14, 2016 at 12:09 PM
    #93
    4x4Banger

    #93
    4x4Banger [OP] Gold Member

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    From what I was told the pipe is 2.5" I dont know for sure because as I said I haven't done it yet. I will leave this question up to @tooter to handle. He is a VERY knowledgeable guy when it comes to the 4 cylinders. Sorry for not answering your question, I just dont want to tell you any wrong information.
     
    4x4Banger, Mar 14, 2016
    #93
  14. Mar 14, 2016 at 12:18 PM
    #94
    Kwik

    #94
    Kwik Well-Known Member

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    No worries, I appreciate your response.
     
    Kwik, Mar 14, 2016
    #94
  15. Mar 14, 2016 at 4:19 PM
    #95
    tooter

    #95
    tooter play every day

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    Greg
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    Vehicle:
    2012, std cab, 5 lug, 2.7, 5 speed
    Built for maximum low end torque, tooter II.VII intake manifold spacer, LCE long tube header, Injen long tube intake, 2,900 rpm torque peak.
    Yes, of course you're right.
    I don't know what I was thinking! :laugh:

    Greg
     
    Last edited: Mar 14, 2016
    tooter, Mar 14, 2016
    #95
  16. Mar 14, 2016 at 4:23 PM
    #96
    tooter

    #96
    tooter play every day

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    Greg
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    Vehicle:
    2012, std cab, 5 lug, 2.7, 5 speed
    Built for maximum low end torque, tooter II.VII intake manifold spacer, LCE long tube header, Injen long tube intake, 2,900 rpm torque peak.
    My stock pipe was 2 3/8" so I believe it's some metric size. 2 1/2" muffler ends will work fine. 2 1/4 ends will need to be swedged to fit. I know because I bought a 2 1/4" Flowmaster, and the ends needed to be opened up on a hydraulic machine.


    Greg
     
    Last edited: Mar 14, 2016
    tooter, Mar 14, 2016
    #96
    4x4Banger[QUOTED][OP] likes this.
  17. Mar 15, 2016 at 2:08 PM
    #97
    Kwik

    #97
    Kwik Well-Known Member

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    Good to know, I'll order 2.5 then, thanks Tooter! I won't be welding this I'll be using lap joints to connect it. Hopefully that works!
     
    Kwik, Mar 15, 2016
    #97
    4x4Banger[OP] likes this.
  18. Mar 16, 2016 at 8:57 PM
    #98
    tooter

    #98
    tooter play every day

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    Greg
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    Vehicle:
    2012, std cab, 5 lug, 2.7, 5 speed
    Built for maximum low end torque, tooter II.VII intake manifold spacer, LCE long tube header, Injen long tube intake, 2,900 rpm torque peak.
    I think the joints could just a little loose because of the odd tubing size, but you should be able to cinch down the U bolts enough to seal. I had a muffler guy do mine because he really knows his business. He fabricated a mandrel bent custom exhaust with all the hangers to fit a hole I made in the rear bumper. The installation was perfect. :)

    IMG_8110_zps4393e365_c4cded1ff5030ac9a113040c4ba61c860fa15fbe.jpg

    This is how it sounds...

    https://www.youtube.com/watch?v=cMv-imsBZLI
     
    tooter, Mar 16, 2016
    #98
    BassAckwards, TownvilleTim and 4x4Banger[OP] like this.
  19. Mar 16, 2016 at 9:08 PM
    #99
    mahaloTaco

    #99
    mahaloTaco TcBob's BFFL

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    sub'd, Ham what did u end up doing for performance?
     
    mahaloTaco, Mar 16, 2016
    #99
    4x4Banger[OP] likes this.
  20. Mar 16, 2016 at 9:09 PM
    #100
    Kwik

    #100
    Kwik Well-Known Member

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    I like the custom exhaust! I've actually decided on going with 2.25. I think it will fit better. I'm going to expand the pipe about 1/8" with an exhaust pipe expander and then fasten the joints together with butt clamps. Did you have your exhaust welded Tooter?
     
    Kwik, Mar 16, 2016
    #100
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