Magnaflow 12909 Muffler - Page 2
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Cadillac Escalade, EXT and ESV Forum - 2007-2014 Discussion, Magnaflow 12909 Muffler in Cadillac Escalade Forums; So, I went ahead & purchased a true 3.5 Y collector that turns into 2 2.5 & cut out the ...
  1. #16
    Ran-Dom32 is offline Cadillac Owners Member
    Automobile(s): 2007 Escalade
    Join Date
    Apr 2013
    Age
    39
    Posts
    74

    Re: Magnaflow 12909 Muffler

    So, I went ahead & purchased a true 3.5 Y collector that turns into 2 2.5 & cut out the single section that was 2.5 & the truck sounds & performs much better, The truck had noticeable power & fuel mileage loss prior to correcting this problem, I would strongly advise anyone looking to split into duals for the bumper conversion save the headache & $$ & buy one of these

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    http://www.ebay.com/itm/261230528490...84.m1423.l2649

  2. #17
    Jay793 is offline Cadillac Owners Member
    Automobile(s): 07 ext
    Join Date
    Sep 2012
    Age
    33
    Posts
    9

    Re: Magnaflow 12909 Muffler

    Ill be honest, I thought this muffler would be a little quiter then it is. I almost put my resonator back on becouse of the noise inside thw cab, but it's growing on me. Now if I could leave the house without waking my wife up I'd be golden. The you tube video is deceiving, definitely louder in person

  3. #18
    blackex is offline Cadillac Owners Fanatic
    Automobile(s): 2007 Cadillac Escalade Base
    Join Date
    Aug 2010
    Location
    Troy, Michigan
    Age
    29
    Posts
    379

    Re: Magnaflow 12909 Muffler

    Yeah i'm thinking of going with a corsa or borla exhaust.

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