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Thread: Flowmaster Mufflers

  1. #1
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    Flowmaster Mufflers

    I've used the search box to try and find information on some flowmaster mufflers....I've read alot of the different types and what they have done for different people. I was wondering which would sound better on a 4.3L V6...the 30 or 40 series? On their website it has the 30 series souding deeper than the 40 series, but the 40 series was more powerful than the 30 series....

  2. #2
    BL MetalHead 668's Avatar
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    This has been covered lots. search more.

    as for it sounding better, depends what tone you are looking for. the 40 series will be louder then the 30.
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  3. #3
    Zombie Killer 6SpeedBlazer's Avatar
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    40 series

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    Slowest Project Around! SloProject's Avatar
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    I like my 40 with a turndown
    Lowered 3" all around, Hypertech Power Programmer, K&N FIPK, TB Mod, Underdrive Pulleys, MAF Mod, Projector Beam Headlights, Clear Corners, Altezza Tails, Flowmaster Super 40, Holley Annihalator Ignition

  5. #5
    Do ya feel lucky? Teeleton's Avatar
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    Originally posted by 668
    This has been covered lots. search more.
    ;)

    There's about 4 threads on page 1.

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  6. #6
    STFU YOU MOFO!!!!!!!!!!! 96scraper's Avatar
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    Re: Flowmaster Mufflers

    The difference is... the 30 series sounds quieter on the inside. They redesigned it to have less cabin resonance like the 40 does. They both sound the same on the outside. Goto flowmasters website and the talk about it.
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  7. #7
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    Posted by speedch - flowmaster

    the 40's are loud as hell
    I have always used a flowmaster muffler on my vehicles, they have served me well.

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    When i bought my 4.3/5 speed the PO had put a magnaflow stainless muffler with a 2 1/4 pipe. sounds good when you get on it, not loud when cruising.

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    Registered User Skully's Avatar
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    :evil:Holy 5 year old thread Batman

  10. #10
    Your mom's box! slammins15's Avatar
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    Since someone renewed this thread probably a spammer cause he quoted nobody and left a link to a shitty site, I'll respond flowmasters suck they have one of the worst flow ratings of performance mufflers.
    I'm a black ninja motherfucker!



  11. #11
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    probably not going to loose a race for anyone tho. most people (other than some mainstream performance cars - vette, gto, mustang etc) have a properly setup ehxaust system anyways when it comes down to making power from your exhasut so thats kinda mute. no pun intended.



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    1989 s10 blazer 355, 650dp, rpm intake, comp 282 roller cam, modified vortec heads, built 700r4, 8.8 3:73ls, qtp cutouts

    Last edited by Superbee; 11-07-2010 at 09:30 PM.


    89' S10 blazer 4wd: 355, 650 dp, rpm intake, comp 282 roller cam, modified vortecs, T56 Six speed, 8.8 ls rear, headers, x-pipe, spintech pro street mufflers, and......AC

    Blazer burnout video - http://www.youtube.com/watch?v=sP7iLypoDI4

  12. #12
    Your mom's box! slammins15's Avatar
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    The term you are trying to use is moot point, not mute as in no volume.
    I'm a black ninja motherfucker!



  13. #13
    Senior Member bigjsp's Avatar
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    flow masters make my 2.8 sound like its got a V8,
    the ricers quake in fear at the rumble
    my girlfriend thinks I am awesome once I got my "flowies"

  14. #14
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    hahha the sarcasm is strong with this one /\


    __________________________________________________ __________________________________________________ ______________________
    1989 s10 blazer 355, 650dp, rpm intake, comp 282 roller cam, modified vortec heads, built 700r4, 8.8 3:73ls, qtp cutouts



    89' S10 blazer 4wd: 355, 650 dp, rpm intake, comp 282 roller cam, modified vortecs, T56 Six speed, 8.8 ls rear, headers, x-pipe, spintech pro street mufflers, and......AC

    Blazer burnout video - http://www.youtube.com/watch?v=sP7iLypoDI4

  15. #15
    Your mom's box! slammins15's Avatar
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    Quote Originally Posted by bigjsp View Post
    flow masters make my 2.8 sound like its got a V8,
    the ricers quake in fear at the rumble
    my girlfriend thinks I am awesome once I got my "flowies"
    I miss your posts big.
    I'm a black ninja motherfucker!



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