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  1. #1
    Join Date
    Nov 2007
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    Wichita KS
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    i have dynomax bullets where the cats were and the smallest magnaflow dumped before the axle....just loud enough at idle to where its not stupid but loud enough at WOT!!
    2006 Trailblazer SS RWD

  2. #2
    Join Date
    Mar 2009
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    Wichita Falls, TX
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    Yeah, my magnaflow is a little quiet but that's what I was wanting. It's the biggest one available. With no cats it is plenty loud, I would like to get a smaller one though.
    2005 black Yukon XL SLT - traded in for me wife's new Fusion (GM sucks these days)
    2002 black Yukon SLT (the skinny sister)
    1969 green Pontiac GTO (Layla, AKA the black sheep)

    INSTALLS AND MORE.. http://www.ls1truck.com/forums/my-ga...-low-life.html
    Sticky/broken gauges? I can help. PM me for details.

  3. #3
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    is there no way to run true duals? i see most people cut the cats off and run a y pipe.
    2003 SIERRA- 5.3 DD
    1985 SWB C10- slow, future plans- shaved, painted, 6.0/4l80e

  4. #4
    Join Date
    Jul 2008
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    Quote Originally Posted by lowchevytrucks8503 View Post
    is there no way to run true duals? i see most people cut the cats off and run a y pipe.
    You can run true duals. I had true duals before I put my LT's on. I switched to a single 3" because a single 3" will outflow dual 2.5's.
    T-RAV
    99 GMC | 5.3 | Skinny White Guy Tuned

  5. #5
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    I've got true duals, muffler has a built in X.

    Quote Originally Posted by bangbangskeetskeet View Post
    You can run true duals. I had true duals before I put my LT's on. I switched to a single 3" because a single 3" will outflow dual 2.5's.
    I thought that the 3" single gave it more back pressure for lower end torque. Not saying that true duals is better, it just doesn't make sense to me that a 3" pipe has better flow.
    Last edited by lo-lyf; 10-29-2009 at 03:07 PM.
    2005 black Yukon XL SLT - traded in for me wife's new Fusion (GM sucks these days)
    2002 black Yukon SLT (the skinny sister)
    1969 green Pontiac GTO (Layla, AKA the black sheep)

    INSTALLS AND MORE.. http://www.ls1truck.com/forums/my-ga...-low-life.html
    Sticky/broken gauges? I can help. PM me for details.

  6. #6
    Join Date
    Dec 2007
    Location
    wichita falls, tx
    Posts
    3,067
    Quote Originally Posted by MYSHTBX View Post
    i have dynomax bullets where the cats were and the smallest magnaflow dumped before the axle....just loud enough at idle to where its not stupid but loud enough at WOT!!
    that sounds like a good idea actually...they look like cats a lil bit...might help on my inspection
    ↓↓↓click pic to go to garage↓↓↓

    408, WCCHL92s, nelson tune,4L80e 3600 Circle D,
    Intro Radicalli's

  7. #7
    Join Date
    May 2009
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    Wichita Falls, TX
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    883
    I've never had anyone crawl under my truck for inspection
    2003 SIERRA- 5.3 DD
    1985 SWB C10- slow, future plans- shaved, painted, 6.0/4l80e

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