Magnaflow exhaust system on the way...

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    Author Topic: Magnaflow exhaust system on the way...  (Read 10319 times)

    Offline CudamanTom

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    Re: Magnaflow exhaust system on the way...
    « Reply #15 on: June 20, 2011 - 10:32:42 AM »
    Very cool Dan,
    Thanks for the info and the drawing. I'll check my measurements and see what I have.

    The exhaust is scheduled for devilery today  :bananasmi :cooldancing: :bigsmile:

    Tom
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    Offline TreeFrog

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    Re: Magnaflow exhaust system on the way...
    « Reply #16 on: June 20, 2011 - 11:59:38 AM »
    Quote from: brads70 on June 13, 2011 - 09:04:50 PM
    I have the 2 1/2" maganflow system on my car . Love it! You will love the sound!  It assembles OK, you will need to "cut and paste/weld" to get it hooked up to the headers though. I had to fab up a couple pipes to get the correct bends. I bought a couplestainless mandrel bent 90's to make it all work out.

    How do you know what size to go with?
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    Offline Barracudadan

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    Re: Magnaflow exhaust system on the way...
    « Reply #17 on: June 20, 2011 - 12:06:45 PM »
    Glad I could help! I forgot to mention if you have to have a pipe bent ask first if they are setup to make mandrel type bends. The shop I used didn`t so the pipes look a little chocked on the bends and it isn`t  as pretty as a mandrel bent pipe but my exhaust sounds and works fine.
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    Offline CudamanTom

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    Re: Magnaflow exhaust system on the way...
    « Reply #18 on: June 20, 2011 - 12:18:05 PM »
    Quote from: Barracudadan on June 20, 2011 - 12:06:45 PM
    Glad I could help! I forgot to mention if you have to have a pipe bent ask first if they are setup to make mandrel type bends. The shop I used didn`t so the pipes look a little chocked on the bends and it isn`t  as pretty as a mandrel bent pipe but my exhaust sounds and works fine.

    Ah, very good point Dan.
    Thanks again. :thumbsup:

    Tom
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    Offline brads70

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    Re: Magnaflow exhaust system on the way...
    « Reply #19 on: June 20, 2011 - 06:52:41 PM »
    Quote from: TreeFrog on June 20, 2011 - 11:59:38 AM
    How do you know what size to go with?
    I had a 3" system on another car and the "drone" at a certain RPM drove me nuts! I don't have that with the 2 1/2" system? :2cents:
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    Brad
    1970 Challenger 451stroker/4L60 auto OD
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    Offline thedodgeboys

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    Re: Magnaflow exhaust system on the way...
    « Reply #20 on: June 20, 2011 - 07:45:45 PM »
    I agree with brad and would not do 3 inch again I did add little glass packs to make the drone go away but its still loud.

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    Offline CudamanTom

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    Re: Magnaflow exhaust system on the way...
    « Reply #21 on: June 20, 2011 - 09:57:00 PM »
    Thanks Brad and dodgeboys,
    I really appreciate the input of what you had and now have and the difference.
    dodgeboys,
    Thanks for posting those pics!!! :2thumbs:
    It sure helps a guy out in knowing what to expect and look for.
    They showed up this evening and couldn't help but put them together. Gotta love stainless steel  :bananasmi
    Here is a couple pics.
    Also, I purchased a header reducer kit (3" to 2 1/2") and the reducer is the same size as the magnaflow pipes and does not slide into the exhaust pipe. Is there a coupling or are they supposed to be the exact same size and welded together? Got them from AutoZone. Was that a mistake?

    Thanks again everyone. Input is very valueable to many of us. :worshippy

    Tom
    « Last Edit: June 20, 2011 - 09:59:15 PM by CudamanTom »
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    1971 Cuda 440-727 - (clone)


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    Offline brads70

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    Re: Magnaflow exhaust system on the way...
    « Reply #22 on: June 20, 2011 - 10:21:22 PM »
    Quote from: CudamanTom on June 20, 2011 - 09:57:00 PM
    Thanks Brad and dodgeboys,
    I really appreciate the input of what you had and now have and the difference.
    dodgeboys,
    Thanks for posting those pics!!! :2thumbs:
    It sure helps a guy out in knowing what to expect and look for.
    They showed up this evening and couldn't help but put them together. Gotta love stainless steel  :bananasmi
    Here is a couple pics.
    Also, I purchased a header reducer kit (3" to 2 1/2") and the reducer is the same size as the magnaflow pipes and does not slide into the exhaust pipe. Is there a coupling or are they supposed to be the exact same size and welded together? Got them from AutoZone. Was that a mistake?

    Thanks again everyone. Input is very valueable to many of us. :worshippy

    Tom

     Looks good! Ya I just welded it to the header adapter/reducer. Your gonna love the sound! :grinyes:
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    Brad
    1970 Challenger 451stroker/4L60 auto OD
    Barrie,Ontario,Canada
    Proud to own one of the best cars ever made!!!!!

    My restoration thread 
    http://www.cuda-challenger.com/cc/index.php?topic=59072.0
     My handling upgrade post
    http://www.cuda-challenger.com/cc/index.php?topic=73985.0

    Offline dodj

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    Re: Magnaflow exhaust system on the way...
    « Reply #23 on: June 20, 2011 - 10:24:59 PM »
    Here is a pic of the zig-zag I was talking about in a previous post. Sounds similar to barrracudadan.

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    Scott
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    Offline Barracudadan

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    Re: Magnaflow exhaust system on the way...
    « Reply #24 on: June 20, 2011 - 10:27:49 PM »
    Seems to me they should have a large end on them to accept the next pipe or collector. :clueless: My Pypes system is similar to yours and had large ends there. If you have to have something made up like in my drawing I posted earlier  take these pipes along and have the shop flare them out too. Just make the custom piece extra long so you can line everything up and cut off the extra when you have it where you want it.

    You can butt it to the collector and weld it. Me personally I would rather slip it over the collector then weld it just seems easier to do it that way.
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    Offline CudamanTom

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    Re: Magnaflow exhaust system on the way...
    « Reply #25 on: June 21, 2011 - 07:21:23 AM »
    Quote from: brads70 on June 20, 2011 - 10:21:22 PM
    Looks good! Ya I just welded it to the header adapter/reducer. Your gonna love the sound! :grinyes:

    Thanks Brad,
    I'm hoping to piece it together and temp install this weekend just to fire it up. (I want to hear it growl)  :droolingbounce:

    And Scott, thanks for posting the pic. Gives me a better idea of what Dan mentioned earlier.

    I'm with you Dan. I too would rather slip the collector over the pipe and will do what you suggested.

    Tom
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    Offline TreeFrog

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    Re: Magnaflow exhaust system on the way...
    « Reply #26 on: June 21, 2011 - 11:50:56 AM »
    For those that used the 3" and had a drone ...Big Block, or small block?
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    Offline brads70

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    Re: Magnaflow exhaust system on the way...
    « Reply #27 on: June 21, 2011 - 05:07:36 PM »
    Quote from: TreeFrog on June 21, 2011 - 11:50:56 AM
    For those that used the 3" and had a drone ...Big Block, or small block?

    Small block Olds, but I don't think the engine sizes matters does it?  :dunno:
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    Brad
    1970 Challenger 451stroker/4L60 auto OD
    Barrie,Ontario,Canada
    Proud to own one of the best cars ever made!!!!!

    My restoration thread 
    http://www.cuda-challenger.com/cc/index.php?topic=59072.0
     My handling upgrade post
    http://www.cuda-challenger.com/cc/index.php?topic=73985.0

    Offline 72rtchallenger

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    Re: Magnaflow exhaust system on the way...
    « Reply #28 on: June 21, 2011 - 06:29:53 PM »
    Quote from: TreeFrog on June 21, 2011 - 11:50:56 AM
    For those that used the 3" and had a drone ...Big Block, or small block?
    340 small block but I  happen to like the sound,,its quiet enough untill you get into alittle and as stated when at certain rpm's but its good for me but everybody is different when it comes to that
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    Offline dodj

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    Re: Magnaflow exhaust system on the way...
    « Reply #29 on: June 21, 2011 - 06:45:35 PM »
    Brief hi-jack, Scott, is that your fuel filter between the pass side seat mount brackets? If not, what is it? :clueless:
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    Scott
    1973 Challenger  440 4 spd 
    2007.5 3500 6.7 Cummins Diesel, Anarchy tuned.
    Good friends don't let friends do stupid things. ........alone.
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