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  • Welding Vs. Silicon Connectors

    Ok so I've been looking at a lot of guy's connections for their kits. Some use the silicone connectors to connect pipes, some weld pipes together. Some do a combination of the two. A friend of mine who works at a service station said using silicone the whole way would be jerry-gigging. Another friend of mine has a cat back on his mustang that has no welds whatsoever, him and his dad put it on in his garage.

    This may sound dumb, but could you use Si connectors most of the way, or is welding generally recommended?

  • #2
    Silicone connectors do the job just fine, but it's very expensive. I usually see it done to either pass through a tight space, allow for flex, or because the person fabbing doesn't know how to weld. It's probably best for optimal flow to weld the connections, plus it generally looks better. With the silicone fittings you also run the risk of blowing the tubes seperate under a higher boost application, my car does it all the time.
    <a href=\"http://www.cardomain.com/id/byoonull\" target=\"_blank\">My Old Car - 2000 Silver V6 Bird</a><br /><br />The replacement-<br />94 Firebird Formula - 383, TH400, and a big blower<br /> <a href=\"http://community.webshots.com/user/fastblackcar94\" target=\"_blank\">http://community.webshots.com/user/fastblackcar94</a>

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    • #3
      That's weird i figured Silicon would be the cheapo way

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      • #4
        Rubber is the cheap way, silicone is a big step up from that.
        -Rob
        <b>97 Camaro 3.8L M5</b><br />Car for sale<a href=\"http://terpmotors.com\" target=\"_blank\">terpmotors.com</a> Terrapin Motorsports! UMCP

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        • #5
          If I remember correctly they're like bare minimum $20 per connector, generally more though. Sometimes as high as $45+.
          <a href=\"http://www.cardomain.com/id/byoonull\" target=\"_blank\">My Old Car - 2000 Silver V6 Bird</a><br /><br />The replacement-<br />94 Firebird Formula - 383, TH400, and a big blower<br /> <a href=\"http://community.webshots.com/user/fastblackcar94\" target=\"_blank\">http://community.webshots.com/user/fastblackcar94</a>

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          • #6
            in my designs I only used silicone connectors on places where I had to ahve the pipes be "removable" so you could take it apart. Other then that, its welded. Also this is only on the intake part of the thing. Never use connectors on the exaust lol. Exaust work is usually flanged so you can bolt it together.

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            • #7
              When I adapted the 97 powerdyne pipe to my 98, I welded in all the spots that I knew for sure about, but after that, it was just trial and error. So, I gave up and installed a silicone connector in one of the spots that needed to be gapped- and I'm done. I vote silicon for the easy way!!!!

              I would definitely say that welding is the best way to go if its a spot that you can weld, but sometimes you just have to go with silicon. I needed it so that one of the spots can be a bit flexible too.
              All gone :(<br />Best ET ever: 14.3 (I think)<br />----------------------------<br />Check out my site for exhaust clips, burnouts, and pictures, and the supercharger throttle body mod.<br /><a href=\"http://www.geocities.com/net_addict/index.html\" target=\"_blank\">Click on the Firebird</a>

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              • #8
                i used nitrile for a few of the bends in my system. these things are like 60-80 bucks a piece or something like that. i love them and i have total faith in them. i also used a few silicone transitions because my intake pipes are stepped. 2.5-3-3.5 inchs. but it looks gangsta so i am happy. and i havent had one blow off yet [img]tongue.gif[/img]
                boost, you got it???

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                • #9
                  The only ones that I have blown off are the rubber ones. Ever since I have gotten silicone I haven't had one blow off since.
                  2000 turbo/intercooled M5 Black Firebird<br />349.5hp and 415.3tq @ 4400rpms

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