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mufflers

This is a discussion on mufflers within the External Engine forums, part of the LSx Technical Help Section category; I like the sound of a 1 chamber but cant find one that will fit? What muffler will sound close ...

  1. #1
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    RED
    1999 Z228

    Question mufflers

    I like the sound of a 1 chamber but cant find one that will fit? What muffler will sound close to a 1 chamber?? the car is all stock.

  2. #2
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    RED
    1999 Z228

    its 99 z28 5.7l 6speed or how to put a 1 chamber on? post pic please...

  3. #3
    Senior Member INMY01TA's Avatar
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    Black
    2001 Trans Am (sold)

    Are you talking Flowmaster? If so, there's only one that will fit in the stock location. The 80 series.

    Flowmaster 80 Series - Cross Flow Mufflers

  4. #4
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    RED
    1999 Z228

    Whats the loudest muffler i can get?

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    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by monster500s View Post
    Whats the loudest muffler i can get?
    Nothing really, that will fit into the stock catback system that is.

    Best bet is to do an entire catback system that will change the I-pipe to a more common 3" size, and a more common 2 1/2" tailpipe size, which in turn opens up your muffler options.

    If doing a catback though you could choose any sound you want. Loudest I guess would be the loud mouth system from SLP which uses a bullet muffler in the I-pipe (no crossflow muffler in the back).

    There are some loud cross flow muffler setups too depending on the sound you are looking for. Some you can check are Magnaflow, Pypes, Hooker, Flowmaster. For more noise (and more HP) you can increase the pipe diameters too along with a race style muffler which is all made by Mufflex, or choose from Magnaflow/Spintech/Flowmaster mufflers to change the sound a bit.

    For a true dual system there are dumps before the rearend that make tons of noise, or go with a dual system out the back from Kooks or Bassanni. Simply tons of options......

  6. #6
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    RED
    1999 Z228

    ok thanks

  7. #7
    Junior Member whitdog54's Avatar
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    Arctic White
    2000 Camaro Z28

    if you want loud I have a loudmouth 1 going up for sale soon. Its in good shape, im just swapping to a borla with e-cutout. I only want 150 plus shipping

  8. #8
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    blue/green
    1997

    id go for a borla muffler

  9. #9
    Senior Member INMY01TA's Avatar
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    I'd buy that guys Loudmouth for $150.

  10. #10
    Junior Member whitdog54's Avatar
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    Arctic White
    2000 Camaro Z28

    Quote Originally Posted by 530458 View Post
    id go for a borla muffler
    I think swapping to a whole 3" set up would be best. Borla is great, just so expensive unless you come across a good used one.

    Quote Originally Posted by INMY01TA View Post
    I'd buy that guys Loudmouth for $150.
    thanks! i hope at that price i wont have it sitting for over a year like most of my parts haha

  11. #11
    Former Mopar Man 2002ssslp's Avatar
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    Silver & Blue
    02 Camaro SS, 04 GTO

    Go with the SLP LM2 system. You'll love it.
    My ride is a 2002 Camaro SS SLP #3296 with 30k, LTH, 3" Y, CME, Frost tune, K&N, ported TB, Blackwing lid, Bellows, MSD, Denso Iridium, and 85mm MAF, Bilsteins, Eibach springs, SLP strut brace, Adj. Panhard, TA Girdle, UMI, Pro 5.0, Nitto NT555
    My wife has a 2004 GTO with the rare SAP, 18" wheels, K&N Cold Air System, MSD, Ported TB, Frost tune, Denso Iridium, Flowmaster cat-back, 3200 Yank, 75k

  12. #12
    Junior Member tdevil55's Avatar
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    Navy Blue Metalic
    02 Z28 Camaro

    Had the loud mouth 1 on stock before, it wasn't too bad, but now have the GMMG and won't go back to anything else, but it is pricey
    02 Z28/LS1 NBM - TIN CAN RACING
    Full bolt on, weight reduction mods, dyno tuned by FROST = 330hp/342tq New PB = 12.74 @109

  13. #13
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    RED
    1999 Z228

    thanks I like the sound of the GMMG but too much $. right now

  14. #14
    Senior Member INMY01TA's Avatar
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    In my opinion the Loudmouth 1 sounds the best on an otherwise stock car (stock manifolds & cats). It's the only system you'll actually be able to hear going down the road except for maybe an open Borla. A friend of mine had GMMG with manifolds and cats and it was very quiet.

  15. #15
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    RED
    1999 Z228

    Will it hurt my motor not running a muffler but I will still have stock manifolds & cats??
    Will also b ran out the back of the car?
    Last edited by monster500s; 06-30-2012 at 01:55 PM.

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