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Thread: Magnaflow

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  1. #1
    Join Date
    Jul 2008
    Location
    Mesa, AZ
    Posts
    5,979

    Magnaflow

    So the wife has requested that I get a muffler that's a lot quieter than what I've got now. Currently have a 3" in/out 4x14" round case magnaflow out before the rear tire. I think I want to just go to a bigger magnaflow. Looking on summit I found a few sizes...just ant to get some opinions on what size to go with.

    I was looking at:
    5x11x22
    5x8x24
    4x9x18

    Do they have any larger than those?
    T-RAV
    99 GMC | 5.3 | Skinny White Guy Tuned

  2. #2
    Join Date
    Jan 2008
    Posts
    8,031
    I had a 22 and it was pretty quiet till wot

  3. #3
    Join Date
    Nov 2008
    Location
    Paris, Texas
    Posts
    1,732
    ^^^X2, i still have mine and love it.

  4. #4
    Join Date
    Aug 2007
    Location
    Honeywood, Ontario
    Posts
    6,994
    Mine's a 24" part #12289. There's enough videos of my truck floating around, you know how it sounds.
    2006 Silverado
    Little Black Bitch

  5. #5
    Join Date
    Apr 2009
    Location
    Orono, ME
    Posts
    1,202
    I've got the 22" as well. It's pretty quiet at cruise but has a nice bark at WOT.

  6. #6
    when you decide to sell your old magnaflow let me know
    Toyota Master Tech

  7. #7
    Join Date
    Sep 2010
    Location
    Texas
    Posts
    2,112
    5x11x22

    I have had one of these on 2 different applications, one dumped over axle on a 6.2 and one out the back on a 5.3 and there was zero drone on the highway at cruising speeds, but it sounded pretty good at wot.
    2013 EC Silverado aka redruM (Just a couple bolt ons.)
    2007 RC Silverado aka ?
    1998 Trans AM aka Red Dragon

    "Your pull your truck to the track on a trailer, I race you with a truck that pulled a trailer to the track."

  8. #8
    Join Date
    Sep 2008
    Location
    Arizona/Utah
    Posts
    3,939
    TJ I think you should rock the 4x9x18 since you are going turbo some day anyways.... just kidding we know that isn't happening anytime soon better just get the big one

    Quote Originally Posted by slow_01tahoe View Post
    when you decide to sell your old magnaflow let me know
    I already got dibs. I have its twin sitting in the garage and wanna run 2 inline. Just kidding this one would prolly just sit in my garage collecting dust just the same.
    ECSB 2kSierra 2wd 4.8L-K&N-HPtuners-Calspeed LT's-Magnaflow-Tahoe20's-HankookRH06

    waiting to go in... 3.90s, 214/220cam

  9. #9
    Join Date
    Apr 2008
    Location
    Okeechobee, Fl
    Posts
    2,007
    I also had the 22 on my old 06, that was my favorite setup, nIce tone during acceleration and no drone cruising, but people knew when I nailed the skinny pedal

  10. #10
    Join Date
    Jan 2009
    Location
    Round Rock, Texas
    Posts
    1,699
    Sorry guys, muffler is already spoken for
    cjriojas:if you're weather man is a 5 gallon bucket, YOUUUUUUUUUUU might be a redneck
    danger_ranger83: I see now why it cost so much to get a harness made... FML
    2boostedSilverado: I like Casey's rear end, I want to chat with him about it

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