Installation pic's for my 2011 Escalade with Platinum dual exhaust components
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Cadillac Escalade, EXT and ESV Forum - 2007-2014 Discussion, Installation pic's for my 2011 Escalade with Platinum dual exhaust components in Cadillac Escalade Forums; ...
  1. #1
    John B is offline Cadillac Owners Member
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    Installation pic's for my 2011 Escalade with Platinum dual exhaust components

    I finally got around to installing all of the parts that I have been collecting. I wanted the installation to appear as factory installed as possible so I bought everything OEM behind the muffler and only had to fabricate the 3-1/2" connecting pipe between the muffler and new resonator. One of the biggest challenges was figuring out how to install the rear resonator OEM hanger brackets since the 2012 rear frame rails don't have the same hole access as the 2011's. To get past this hurdle, I had to fabricate cover plates, drill holes in these to mount to the frame and then drill holes in these to mount the hanger. I also welded a nut to the backside to make the hanger installation easier, especially if there is ever a need to uninstall. I made one of these brackets for each side of the vehicle.

    This pic shows the OEM 2011 hole (cut out) in the frame rail:
    IMG_0199.JPG

    This is the cover plate that I created:
    IMG_0202.JPG

    Here is the bracket showing the welded in place nut with hanger installed:
    IMG_0197.JPG


    And finally the bracket installed painted:
    IMG_0206.JPG

    Here is a view of the muffler installed and the cut that I had to make tof the OEM tailpipe just above the rear axle:
    IMG_0201.JPG

    This is the new connecting pipe that I fabricated out of two 3-1/2" 90° elbows.......you can also see where I cut the OEM tailpipe bracket from the 2011 exhaust (just rearward of the axle) and extended the 1/2" dia hanger rod to fit th new 3-1/2" bends and welded it for added support (just like th 2012 OEM set-up):
    IMG_0204.JPG

    I had to cut out the original bumber cover bracket that holds the bumper in place, add a 1" wide metal strap to this and weld it to the frame so that I could attach the new bumper securely:


    And the final product!



    P.S. And by the way, if you DO NOT like quiet exhaust, DO NOT get ths resonator! The vehicle is quieter now than a Mercedes or Lexus passenger car!!! There is near zero sound coming from the exhaust under brisk acceleration, only air intake noise!
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  3. #2
    Royalton is offline Cadillac Owners Fanatic
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    Re: Installation pic's for my 2011 Escalade with Platinum dual exhaust components

    Wow really sharp looking! I love the '12 exhaust from the first time i saw it. great mod, and you can tell you really did it right!

  4. #3
    zogg's Avatar
    zogg is offline Cadillac Owners Fanatic
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    Re: Installation pic's for my 2011 Escalade with Platinum dual exhaust components

    Beautiful job....I am jealous

  5. #4
    luxurylife33's Avatar
    luxurylife33 is offline Cadillac Owners Connoisseur
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    Re: Installation pic's for my 2011 Escalade with Platinum dual exhaust components

    Do you lose the spare tire?

  6. #5
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    nathanjax is offline Cadillac Owners Connoisseur
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    Re: Installation pic's for my 2011 Escalade with Platinum dual exhaust components

    Quote Originally Posted by luxurylife33 View Post
    Do you lose the spare tire?
    Yes he did. You can see in his pick where his truck was on the lift, the resonator is directly in the middle of the bumper where the tire would be.

    He also said he used all the factory parts which means there would be no space for the tire as well...

  7. #6
    hcvone is offline Cadillac Owners 10000+ Posts
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    Re: Installation pic's for my 2011 Escalade with Platinum dual exhaust components

    I went the backwards route, I took the fake duals off my last platinum, and made that look like my other 2012 platinum's, it did not make enough noise and was noticeably slower in performance, now they all look and perform the same.
    This is the truck that I swtiched


  8. #7
    John B is offline Cadillac Owners Member
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    Re: Installation pic's for my 2011 Escalade with Platinum dual exhaust components

    I took the fake duals off my last platinum, and made that look like my other 2012 platinum's, it did not make enough noise and was noticeably slower in performance
    I hate to call you out here but I'd really like to see facts and data to back this claim up about the performance....the fact that GM makes no distinction in the engine power ratings between any of the 6.2L motors as installed says that any difference created by a different resonator is insignificant which means the performance difference is insignificant, not noticeably slower in performance.

  9. #8
    MrHolland's Avatar
    MrHolland is online now Super Moderator
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    Re: Installation pic's for my 2011 Escalade with Platinum dual exhaust components

    I'm guessing the performance numbers are measured at the crank, not the tires.

  10. #9
    John B is offline Cadillac Owners Member
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    Re: Installation pic's for my 2011 Escalade with Platinum dual exhaust components

    I'm guessing the performance numbers are measured at the crank, not the tires.
    SAE net HP numbers represent power at the flywheel and include all accessories installed on the motor as well as CATs, mufflers and tailpipes......the fact that Cadillac chose not to de-rate the 403HP number for the Platinum due to the new exhaust system change tells me that it was insignificant enough not to worry about it. Of course you could argue that they would have spend a lot of money to recertify the HP number but in the end I was ask a simple question......has anyone compared a Platinum ET & MPH at the track sise by side on the same day with a Luxury or standard 2012 Escalade? Until this is done I think its fair to say that I have yet to see one test driver of a 2012 Platinum (with the exception of hcvone above) make any reference to less performance. Personally I believe due to the quietness of the dual exhaust resonator that the vehicle doesn't sound as much like a performance vehicle therefore our minds translate this into seat of the pants performance difference. The reality is.....in order to feel a seat of a pants difference in power (with or without the benefit of more noise) you need at least about 25RWHP or 30+ at the crank.

  11. #10
    MrHolland's Avatar
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    Re: Installation pic's for my 2011 Escalade with Platinum dual exhaust components

    ^^^Why is there a half second fluctuation in 0-60 MPH times from 2007 to 2012 while the HP numbers remained the same? ^^^

  12. #11
    zx6racer is offline Cadillac Owners Fanatic
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    Any aftermarket exhausts that use the duel output tips ? Maybe get a few extra Hp.

  13. #12
    John B is offline Cadillac Owners Member
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    Re: Installation pic's for my 2011 Escalade with Platinum dual exhaust components

    Why is there a half second fluctuation in 0-60 MPH times from 2007 to 2012 while the HP numbers remained the same?
    You can't make this kind of generic statement without providing your data source so that the actual facts and data of the runs can be compared.......are you comparing two vehicles that raced on the same track with identical density altitude weather conditions? Are we comparing AWD vs 2 WD? One passenger in the vehicle vs. 2? I've had many of my personal vehicles that I have raced at the track and depending on a number of circumstances have seen up to a 1/2 second variation in times so this does really prove anything.

  14. #13
    evois is online now Cadillac Owners Connoisseur
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    What's the total cost of this mod?

  15. #14
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    nathanjax is offline Cadillac Owners Connoisseur
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    Re: Installation pic's for my 2011 Escalade with Platinum dual exhaust components

    Quote Originally Posted by evois View Post
    What's the total cost of this mod?
    There's quite a bit of difference depending on a bunch of different things...

    Parts from the dealer will be a lot more than getting it from Robbie (oempartsdirectinc.com) or elsewhere. Then getting it painted could range greatly depending the body shop. Then the exhaust shop. Do you want to go full factory OEM exhaust (including resonator) or just cut off what you currently have at the muffler and just run a Y pipe to the exhaust.


    I'd venture to say anywhere from $1,200 to $2,500...

  16. #15
    John B is offline Cadillac Owners Member
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    Re: Installation pic's for my 2011 Escalade with Platinum dual exhaust components

    What's the total cost of this mod?
    My cost was as follows:
    Parts from Robbie: ~$1200
    OEM Exhaust hangers: ~$100
    Painted bumper: ~$500
    3-1/2" ex elbows: ~$50
    Labor: All me!

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