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Thread: Need quieter exhaust: opinions

  1. #1
    Join Date
    May 2006
    Location
    Waco TX
    Posts
    3,113

    Need quieter exhaust: opinions

    With a baby girl here now, my truck is way to loud. I want a quieter mufflers. Right now I have long tubes no cats single chambers with an x pipe and its really loud. Any suggestions on a quieter mufflers I could run but still be able to here the cam? The cam is on a 110 lsa

    TIA
    Daniel
    DANIEL CAMMED SS 13.46 @ 98.17-- 8.58 @ 80.31

    2003 Silverado SS / LQ9 6.0L / Wheatley 93 Octane Tune / 224/228 .581 .588 110lsa / Patriot Gold Dual Springs / Comp Hardened Push Rods / Circle D 3800 stall / Pacesetter LT's / 4:10 Gears / Transgo HD-2 Shift Kit / K & N Cold Air Intake / Corvette Servo / Aeroforce Interceptor / Autometer Narrorband(Wideband on the way) / Mobile 1 Synthetic / Single Chamber Flows with X Pipe / Cats Delete with Cutouts


  2. #2
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    Get the biggest diam/length magnaflow single in/out muffler you can.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  3. #3
    Join Date
    May 2006
    Location
    Waco TX
    Posts
    3,113
    Quote Originally Posted by RedHeartbeat View Post
    Get the biggest diam/length magnaflow single in/out muffler you can.
    I would need 2! lol. Thatll be a couple hundred bucks.
    DANIEL CAMMED SS 13.46 @ 98.17-- 8.58 @ 80.31

    2003 Silverado SS / LQ9 6.0L / Wheatley 93 Octane Tune / 224/228 .581 .588 110lsa / Patriot Gold Dual Springs / Comp Hardened Push Rods / Circle D 3800 stall / Pacesetter LT's / 4:10 Gears / Transgo HD-2 Shift Kit / K & N Cold Air Intake / Corvette Servo / Aeroforce Interceptor / Autometer Narrorband(Wideband on the way) / Mobile 1 Synthetic / Single Chamber Flows with X Pipe / Cats Delete with Cutouts


  4. #4
    Join Date
    Nov 2008
    Location
    Paris, Texas
    Posts
    1,732
    Magnaflow 12579: 5x11x22case 3" in/3"out
    from the outside you can barely tell it is running, but when you step on it has a nice tone to it and it isn't very loud inside the cab at all.

  5. #5
    Join Date
    Nov 2008
    Location
    Paris, Texas
    Posts
    1,732
    i got mine installed for 160

  6. #6
    Join Date
    Dec 2008
    Location
    san antonio TX
    Posts
    1,365
    single chamber flowmasters are very loud, understand why you want to quiet it down. give magnaflow or borla pro xs a shot they sound tough and alot quieter then flowmaster or spintech.
    1982 c10 lsx swaped, NP tuned, true duals, 4:11s, trutrac, e-fans, CAI

  7. #7
    Join Date
    Apr 2009
    Location
    42141
    Posts
    714
    sell x pipe and flows and get a y pipe and magnaflow?
    Blessed be the Lord my strength which teacheth my hands to war, and my fingers to fight:
    Psalms 144:1

    Si vis pacem, para bellum

  8. #8
    Join Date
    Apr 2009
    Location
    Orono, ME
    Posts
    1,202
    Quote Originally Posted by sierraman View Post
    Magnaflow 12579: 5x11x22case 3" in/3"out
    from the outside you can barely tell it is running, but when you step on it has a nice tone to it and it isn't very loud inside the cab at all.
    Agreed. I have the same one on my truck.
    2001 GMC Sierra SL ECSB - Project
    2012 Honda Civic Si - DD
    2009 GMC Sierra SLT ECSB - Sold

  9. #9
    Join Date
    Oct 2008
    Location
    Scott, Arkansas
    Posts
    424
    I have a single 4" Hooker Maxflow on mine and it's deep and quiet below 3krpms. Above that it's engine screaming bliss!

    http://youtu.be/2O1tiS2s-8Q
    2005 Silverado SS AWD
    AEM CAI, ARH LTs, HD-2 shift kit with vette servo, Circle D 278mm 3200 stall Madtunesracing.com street tune (MTR now has a Dynojet 248 chassis dyno)

    13.82 @ 94.92 w/1.83 60'

  10. #10
    Join Date
    May 2008
    Location
    Crowder, OK
    Posts
    8,005
    They make dual in, dual out Magnaflows. Get the biggest one you can get.

    1969 Chevy RCLB C10 350/TH400 SOLD
    2007 Chevy RCSB 4.8 4x4 LS SOLD
    2008 Chevy RCSB 5.3 4x4 LT SOLD
    2010 Chevy CCSB 6.2 4x4 LT SOLD
    2005 GMC CCLB DRW 6.6 Duramax 4x4 191,000 and counting
    2013 FORD CCSB F350 6.7 Powerstroke 4x4


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