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 '08 CTS '06 H2
    Join Date
    Apr 2013
    Thread Starter

    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


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

    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
    Troy, Michigan

    Re: Magnaflow 12909 Muffler

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

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