Thread: Single muffler (Non glass pack) on a dual exhaust?

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  1. #1 Single muffler (Non glass pack) on a dual exhaust? 
    GT Level Member TheDarkAngel's Avatar
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    I've spent time searching through the forum trying to find out if it's possible to run a single actual muffler on a dual exhaust...yes I'm a cheap ass, I'm just looking to find a way to run a single Flowmaster series 10 or Super 44. I can have a custom exhaust built, but I don't know where I could put it, possibly somewhere around the trunk pan, but I'm not sure. It's be cool if I could get some help with this, and if anyone's done it?
    First car- 1999 Buick Regal LS (Sold)
    Current ride- 2000 Grand Prix GT (The Dark Angel) DIY Intake, flipped bushings, visual stuffs, lowered on Eibachs, Topswap loading...........
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  2. #2 Re: Single muffler (Non glass pack) on a dual exhaust? 
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    I think a single chamber would be too loud. Are you planning on running a resonator? If it were me I would use a 3 chamber single in dual out and just have pipes run from the muffler to the exhaust outlets or tips or whatever you desire.

    Jeff
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  3. #3 Re: Single muffler (Non glass pack) on a dual exhaust? 
    GrandPrix Junkie ItHurtz's Avatar
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    A. you dont have dual exhaust

    B. custom exhaust is way more money than a prebent dual OUT system

    C. Going custom any single in dual out muffler will work, hence older camaros. Example flowmaster 80 series
    Last edited by ItHurtz; 04-30-2015 at 12:29 AM.
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  4. #4 Re: Single muffler (Non glass pack) on a dual exhaust? 
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    ^^ I like the camaro idea too probably cheaper too.

    Jeff
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  5. #5 Re: Single muffler (Non glass pack) on a dual exhaust? 
    The Blue One blueguy's Avatar
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    It's just like the SE 3800's.

    Flowed probably just as well, lighter too.

    Just doesn't look as symetrical.

    As for sound? Good luck with any Flowmaster product.

    Doodoo.
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
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  6. #6 Re: Single muffler (Non glass pack) on a dual exhaust? 
    GT Level Member TheDarkAngel's Avatar
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    No, I'm looking to run a single muffler, and keep both tips. I'm just cheap. I might go with a borla pro XS tho. I already have dual exhaust too, and I'm going up to 2.5"
    First car- 1999 Buick Regal LS (Sold)
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  7. #7 Re: Single muffler (Non glass pack) on a dual exhaust? 
    The Blue One blueguy's Avatar
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    Got a converter?

    I'm swapping mufflers for resonators in my GXP.

    Long, bullet style SLP is going where the factory resonator was.
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
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  8. #8 Re: Single muffler (Non glass pack) on a dual exhaust? 
    GTP Level Member Impala131's Avatar
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    If you must run a single muffler, this would probably be the best way:

    1. Cut your exhaust where it splits (at the Y). Basically cut off one of the pipes going to a tip.

    2. With a piece of metal, weld up opening in Y to block off the opening. Tack weld the pipe you cut off back on for looks.

    3. Install muffler on the side that was not cut off and blocked.

    Now you have a single muffler which will quiet all functional exhaust. The other side will still be there for looks, but will not move any gas.


    That said, I'd personally spring for the 2nd muffler.
    2003 Grand Prix GTP.... the journey begins again....
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  9. #9 Re: Single muffler (Non glass pack) on a dual exhaust? 
    Donating Users Bronco Boy's Avatar
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    OP, you say you are cheap and don't want to replace both mufflers, but you want to go single muffler and keep the dual tips, which would involve re-designing the rear portion of the exhaust, which would be more than replacing two mufflers. You see where I am going?
    Chris B
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  10. #10 Re: Single muffler (Non glass pack) on a dual exhaust? 
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    Seems like you're spending a helluva lot of money to try to save some money.
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  11. #11 Re: Single muffler (Non glass pack) on a dual exhaust? 
    Turbo is the way to go. REDCRAPGP's Avatar
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    Quote Originally Posted by bobc455 View Post
    Seems like you're spending a helluva lot of money to try to save some money.
    Basically


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  12. #12 Re: Single muffler (Non glass pack) on a dual exhaust? 
    GT Level Member TheDarkAngel's Avatar
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    I'm only out the cost of the muffler tho, as I can bend and weld it all myself. I kinda like the resonator idea tho, but I would like to find a chambered round muffler.
    Last edited by TheDarkAngel; 05-01-2015 at 12:12 PM.
    First car- 1999 Buick Regal LS (Sold)
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  13. #13 Re: Single muffler (Non glass pack) on a dual exhaust? 
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    I don't know of any chambered round muffler/resonators. Depending on your skills you could always build your own. I have thought about doing it myself.

    Jeff
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