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Really bad noise coming from my exhaust

Discussion in '4 Cylinder' started by froman09, Jun 17, 2011.

  1. Jun 17, 2011 at 8:43 PM
    #1
    froman09

    froman09 [OP] Well-Known Member

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    Brandon
    Oregon
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    Sound system, nightshaded tail lights, 2.5 inch cat-back exhaust, flowmaster delta flow 40 series muffler, cold air intake, plasti-dipped front and back bumpers, black exhaust tip, american racing wheels.
    So yesterday I noticed this real bad noise coming from my exhaust. It was dark so I couldn't look at it until today and this is what I found....

    [​IMG]

    It only makes the noise when I am going between 20 and 30 MPH and when my RPM's are between 1-2k.. Thoughts?
     
  2. Jun 17, 2011 at 8:44 PM
    #2
    ktmrider

    ktmrider Senior Member

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    what kind of noise, like a rattling?
     
  3. Jun 17, 2011 at 8:47 PM
    #3
    froman09

    froman09 [OP] Well-Known Member

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    Brandon
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    Sound system, nightshaded tail lights, 2.5 inch cat-back exhaust, flowmaster delta flow 40 series muffler, cold air intake, plasti-dipped front and back bumpers, black exhaust tip, american racing wheels.
    It's a really sharp rattle. Almost a metal squeaking sound. :confused:
     
  4. Jun 17, 2011 at 8:47 PM
    #4
    BlueTaco07

    BlueTaco07 Super Mod!

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    Soeting in the muffler is probably loose
     
  5. Jun 17, 2011 at 8:51 PM
    #5
    steve o 77

    steve o 77 braaap

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    sounds like a bad cat. any check engine light?
     
  6. Jun 17, 2011 at 8:53 PM
    #6
    09_tacoma

    09_tacoma Forever at a crossroads

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    Headlights, Exhaust, grill, Kings all around resi suspension. Camburg UCA's, Clarion double din
    Have you checked your heat shields? Mine is rattling bad right now too, I got underneath the truck this week, tightened up a few things.. didn't get rid of the rattle then started tapping the corners of my heat shields and the one closest to the muffler has a really bad metal rattling sound when I tap the outer corner with my finger.. one way or another it'll be fixed by the end of the weekend.
     
  7. Jun 17, 2011 at 8:55 PM
    #7
    geoff06

    geoff06 Well-Known Member

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    3" lift, Sway-A-Way Racerunner coilovers, rear AAL, Rough Country 9000 rear shocks, 265/75/16 AT's on stock steels painted black, All-Pro 1.5"F/1.25"R wheel spacers, airbox elbow mod, Flowmaster Super 44, Davico post-cat, DIY angle iron bed/light bar, bumper-mounted halogen offroad lights, bed wheel well shovel-mount, blacked out grill emblem, Poineer DEH-P3900 head unit, Alpine Type R front component speakers, Pioneer Coaxial rears, Dynamat in door panels, scratchbuilt aluminum holders for my ipod nano and phone, and for some reason, I painted the headlight fillers black...
    Do i spy a Flowmaster?:)
    If it's a rattling sound, it could possibly be a small (but likely growing) crack in the muffler or pipes that resonates with the engine @ 1-2k rmp. If this is the case, the overall exhaust volume will likely be louder than normal
     
  8. Jun 17, 2011 at 9:02 PM
    #8
    ktmrider

    ktmrider Senior Member

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    x2 or muffler bearing
     
  9. Jun 17, 2011 at 9:08 PM
    #9
    xroller

    xroller Blowin by em sideways

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    lol... come on.... this guy may actually go check for that.... :rolleyes:


    Well it's obvious you have an exhaust leak... you may have just crapped your cats or the muffler took a crap on you and everything just loosened up... get a vid if you can...
     
  10. Jun 17, 2011 at 9:24 PM
    #10
    froman09

    froman09 [OP] Well-Known Member

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    Brandon
    Oregon
    Vehicle:
    Black 95 Tacoma 2.4 auto
    Sound system, nightshaded tail lights, 2.5 inch cat-back exhaust, flowmaster delta flow 40 series muffler, cold air intake, plasti-dipped front and back bumpers, black exhaust tip, american racing wheels.
    My check engine light hasn't come on yet, so I don't think it's the cat (which I'm happy about.) I haven't checked the heat sheilds but I may go do that right now :p It probably is the muffler, and yeah it is a flowmaster (which I got very cheap.) Which would lead me to believe the muffler is the source. Haha.
     
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