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1 chamber flowmaster?

This is a discussion on 1 chamber flowmaster? within the External Engine forums, part of the LSx Technical Help Section category; I was wondering if anybody out there has had any experience with the 1 chamber flowmasters? I was thinking about ...

  1. #1
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    Question 1 chamber flowmaster?

    I was wondering if anybody out there has had any experience with the 1 chamber flowmasters? I was thinking about cutting my Lm 1 off and welding the 1 chamber flowmaster in with a cutout right after it. Kinda like a dump but still keeping the tailpipes. I just dont want to hurt the flow of the exhaust. Im getting tired of the sound of the Lm1. What do ya'll think? Any help would be greatly appreciated!

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    Moderator Firebirdjones's Avatar
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    Hmmm, isn't the 1 chamber flowmaster a case style muffler? That really wouldn't fit too well where the LM1 muffler currently resides. That kinda tucks up between the floor pan and the driveshaft,,,,,don't believe the flowmaster would fit there,,,even the smaller cases would just cause fitment issues.

    I believe your best option would be to purchase the LM2 muffler from SLP and simply slip the LM1 off and put the LM2 in it's place.

    This Loud Mouth system is designed to acccept either LM1 or LM2 muffler and doesn't take long to switch.

    What are you trying to accomplish? Trying to quiet the system down or you just want the sound of a flowmaster muffler?

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    1 chamber flowmaster

    I had the my local exhaust shop take a look at it and they said it would fit. Really my exhaust is straight pipes from the cats back. I did have the Lm1 on but took it off. I really like the sound of the 1 chamber flowmaster. Im not really trying to make the exhaust not as loud, just change the sound. I just dont want to hurt the flow of the exhaust too much. I was going to put the flowmaster on with a cutout right after it. Kinda like dumping the exhaust but keeping the tailpipes on. What do you think?

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    Member 89LX's Avatar
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    Why would you?

    Why would you want a cutout behind (down stream) of the muffler?
    2000 Z28 M6, SLP Lid, SLP Bellows, SLP UD,
    P&P Maf, TB By-Pass, PS Shorties, LS6 Intake, FAST 78mm TB, Hooker CB, Hurst Billet, Front Tower Brace, small 218/218....527/527....114 cam.
    337rwhp/348rwtq

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    Senior Member INMY01TA's Avatar
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    Quote Originally Posted by jakef777 View Post
    I had the my local exhaust shop take a look at it and they said it would fit. Really my exhaust is straight pipes from the cats back. I did have the Lm1 on but took it off. I really like the sound of the 1 chamber flowmaster. Im not really trying to make the exhaust not as loud, just change the sound. I just dont want to hurt the flow of the exhaust too much. I was going to put the flowmaster on with a cutout right after it. Kinda like dumping the exhaust but keeping the tailpipes on. What do you think?
    What do you mean "like the sound"? What car did you hear this on. I ask cause personally I think FMs sound pretty weak on LS1 cars. Nothing at all like a Stang or an LT1. Alot of guys think putting Flowmasters on an LS1 Fbod will make their car sound like a Stang or somethin, not at all.

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    Moderator Firebirdjones's Avatar
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    I too am a fan of the Flowmaster mufflers, as I run them on 4 different cars of mine,,,,but don't have them on either of my 4th gens though.

    A muffler I do like on the 4th gens that has awsome sound and good flow characteristics is a muffler you never hear mentioned much on this website,,,,,Spintech,,,,,great mufflers and they sound killer when attatched to the 4 inch mufflex system. The car will just sound down right angry.

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    Senior Member INMY01TA's Avatar
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    Quote Originally Posted by Firebirdjones View Post
    I too am a fan of the Flowmaster mufflers, as I run them on 4 different cars of mine,,,,but don't have them on either of my 4th gens though.

    A muffler I do like on the 4th gens that has awsome sound and good flow characteristics is a muffler you never hear mentioned much on this website,,,,,Spintech,,,,,great mufflers and they sound killer when attatched to the 4 inch mufflex system. The car will just sound down right angry.
    I do agree with Spintech.

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    Spintech???

    I dont know that much about spintech. Will the muffler weld in where my loudmouth was? Where can I get this kind of muffler and whats the cost?

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    The Masterpiece Qwk94Z28's Avatar
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    i have spintechs dumped

    heres a video that has my friends t/a with single chambers

    we both have true duals tho




    heres a few videos of my car with the spintechs

    the first one is outside my storage unit so it echos, i'll have more in a few days before i put it away for the winter




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