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Has anyone tried this on an OBS?

This is a discussion on Has anyone tried this on an OBS? within the Performance forums, part of the General Discussion category; Hey, I had an idea for a cheap exhaust setup. Just before the muffler on my truck, it is 2 ...

  1. #1
    Registered User FSUNole17's Avatar
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    Has anyone tried this on an OBS?


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    Hey, I had an idea for a cheap exhaust setup. Just before the muffler on my truck, it is 2 into the muffler and then comes out in a single pipe. What if I put a 2-into-1 merge collecter, welded a cutout in immediately after it and just before the muffler, and continued out the back with a 1-into-1 muffler. Does anyone have any opinions on this and/or experience? Thanks
    1998 2 Door Tahoe Sport - LS1 efans, Edelbrock shorty headers, Magnaflow muffler, B&M tranny cooler, B&M deep tranny pan, Blackbear tune
    2002 Trans Am WS6 package - Lid, TB, LT headers, Magnaflow exhaust, small blower cam

  2. #2
    Registered User mumbling_rednec's Avatar
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    Re: Has anyone tried this on an OBS?

    what are you looking for sound or performance?

  3. #3
    Registered User FSUNole17's Avatar
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    Re: Has anyone tried this on an OBS?

    Mostly sound, I know the performance will be minimal, and slightly better MPG possibly, but 99% just the sound.
    1998 2 Door Tahoe Sport - LS1 efans, Edelbrock shorty headers, Magnaflow muffler, B&M tranny cooler, B&M deep tranny pan, Blackbear tune
    2002 Trans Am WS6 package - Lid, TB, LT headers, Magnaflow exhaust, small blower cam

  4. #4
    Supporting Gold Member GreaseDog's Avatar
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    Re: Has anyone tried this on an OBS?

    i wouldnt bet on better milage.
    77 Chevy K20 - 80 GMC K2500 (in pieces)
    90 Chevy K3500 - 93 Chevy C2500 (in pieces) - 94 Chevy K1500

  5. #5
    Registered User mumbling_rednec's Avatar
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    Re: Has anyone tried this on an OBS?

    what kind of sound do you want loud and annoying or nice rumble sound

  6. #6
    Registered User FSUNole17's Avatar
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    Re: Has anyone tried this on an OBS?

    Oh I know it is going to be a loud machine-gun sounding exhaust, I am just looking for something cheap to have fun with.
    1998 2 Door Tahoe Sport - LS1 efans, Edelbrock shorty headers, Magnaflow muffler, B&M tranny cooler, B&M deep tranny pan, Blackbear tune
    2002 Trans Am WS6 package - Lid, TB, LT headers, Magnaflow exhaust, small blower cam

  7. #7
    Registered User mumbling_rednec's Avatar
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    Re: Has anyone tried this on an OBS?

    go with straight pipes if you alread got two pipes headin in to your muffler and you are talking about getting another one that is single in single out just cut them off and take 2 straight pipes all the way back thats what I am going to do with my truck it will give you the loud popping sound when you hammer it but it will be that loud rumble sound when just driving around.

  8. #8
    Registered User FSUNole17's Avatar
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    Re: Has anyone tried this on an OBS?

    But I don't want loud ALL the time, hence the cutout. I can go through a Magnaflow muffler and be almost as quiet as stock.
    1998 2 Door Tahoe Sport - LS1 efans, Edelbrock shorty headers, Magnaflow muffler, B&M tranny cooler, B&M deep tranny pan, Blackbear tune
    2002 Trans Am WS6 package - Lid, TB, LT headers, Magnaflow exhaust, small blower cam

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