Underbody question

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Cadillac SRX Second Generation Forum - 2010+ Discussion, Underbody question in Cadillac SRX Forums; I've spent the last 20 min trying to figure out what the big metal tank looking thing is between the ...
  1. #1
    hambone8 is offline Cadillac Owners Member
    Automobile(s): 2013 SRX AWD Premium
    Join Date
    Oct 2012

    Underbody question

    I've spent the last 20 min trying to figure out what the big metal tank looking thing is between the two exhaust tips and visible from the rear of the vehicle. Hangs below the bumper. I thought it was part of the exhaust system. It's always annoyed me a little that its visible and just noticed mine now has a black streak in the middle of it going length wise. I haven't bottomed out on anything and really not sure what its from. Automatic car wash maybe... Dont think the dealer would have done it during the tire rotation. Any ideas? Please forgive my ignorance. I know little at best about what makes an automobile function.

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  3. #2
    Ponyman is offline Cadillac Owners Enthusiast
    Automobile(s): 2013 Premium, Radiant Silver
    Join Date
    Mar 2010
    Ardmore, Oklahoma

    Re: Underbody question

    It is part of the exhaust system. Either a muffler or resonator, which is essentially a secondary muffler.

  4. #3
    ladypro is offline Cadillac Owners Fanatic
    Automobile(s): 2012 Premium Awd Black Raven/Ebony
    Join Date
    Aug 2011

    Re: Underbody question

    anybody paint theirs black?

  5. #4
    TheCaptain's Avatar
    TheCaptain is offline Canadian SRX Mod
    Automobile(s): 14 ATS AWD 3.6L Performance - Son of a Gun Grey Metallic
    Join Date
    Aug 2009
    Moosomin Saskatchewan

    Re: Underbody question

    I will be come summer.
    When you turn your car on, does it return the favour? '14 Cadillac ATS Performance 3.6L AWD in Son of a Gun Grey Metallic and Morello Red Interior

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  6. #5
    GMJim's Avatar
    GMJim is offline Cadillac Owners Connoisseur
    Automobile(s): 04,06,10 SRX; 2011/14 CTS Wagon
    Join Date
    Oct 2005
    GM Product Development

    Re: Underbody question

    Quote Originally Posted by ladypro View Post
    anybody paint theirs black?
    Marc NY did, and had a thread about it.

  7. #6
    Marc NY's Avatar
    Marc NY is offline Cadillac Owners Connoisseur
    Automobile(s): SRX 2013 Performance Flannel Gray w/ 20" Polished Wheels
    Join Date
    Jul 2010
    Western NY

    Re: Underbody question

    Quote Originally Posted by GMJim View Post
    Marc NY did, and had a thread about it.
    Yes I did ... back in the summer of 2011 right after I got my 2012 SRX. I think it is a great look check it out and let us know what you think of painting a muffler black. I think you will agree too that it looks so much cleaner painted with High Temp Black paint.


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