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  • Best suggestion to build 3" exhaust...

    I have Pacesetters, and I had originally planned on doing a 2.5" system, but I want 3" all the way back from the y-pipe collector. I bought a 3" carsound, thinking that Magnaflow made a 3" system, but soon found out that they didn't (unless it's for the V8 model). I know I'll probably have to go with an LS1 cat-back system, or buy a muffler and have a shop bend me pipes. Any suggestions? Thanks.

    John

  • #2
    Re: Best suggestion to build 3" exhaust...

    What year car?
    Robert - owner www.FirebirdV6.com/CamaroV6.com

    "Mid-life crisis? I'm way beyond that!"

    1996 Black Firebird GTxxxRam Air V6 w/ M5xxxwww.FirebirdGT.com

    Raven

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    • #3
      Re: Best suggestion to build 3" exhaust...

      Borla Catback is the way to go. :)

      Just get one 3" straight pipe and two 90 degree bent pipes and a 3" Catback Exhaust system.
      1997 Camaro Y87. Turbo.<br /><a href=\"http://pureoctaneracing.net/\" target=\"_blank\">Pure Octane Racing</a>

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      • #4
        Re: Best suggestion to build 3&quot; exhaust...

        Originally posted by ChronoGN
        Borla Catback is the way to go. :)

        Just get one 3" straight pipe and two 90 degree bent pipes and a 3" Catback Exhaust system.
        No, you just can't get any V8 cat-back.
        Robert - owner www.FirebirdV6.com/CamaroV6.com

        "Mid-life crisis? I'm way beyond that!"

        1996 Black Firebird GTxxxRam Air V6 w/ M5xxxwww.FirebirdGT.com

        Raven

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        • #5
          Re: Best suggestion to build 3&quot; exhaust...

          This is your third thread on the same subject... but yeah I would suggest getting one made for the ls1 if your car is 98+... 93-97 had different hangers

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          • #6
            Re: Best suggestion to build 3&quot; exhaust...

            I know, I'm freaking out about this for some reason... that and college is starting soon and I'm freaking out about that, haha... sorry for the mountain of threads, this will be the last... my car is a 99... i just basically need to know what it takes to hook up an aftermarket LS1 exhaust to a v6. (preferably magnaflow)

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            • #7
              Re: Best suggestion to build 3&quot; exhaust...

              As far as I know it bolts right up. I dont know about it bolting up to your old coupler...you goin to a shop to have it installed?
              Last edited by mlsFiT; 07-30-2007, 06:02 PM.

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              • #8
                Re: Best suggestion to build 3&quot; exhaust...

                the ls1 exhaust will work on your car. Just is bigger.

                Or you can go with the tsp rumbler setup which is also 3"
                http://www.bowtiev6.com/

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                • #9
                  Re: Best suggestion to build 3&quot; exhaust...

                  Is the TSP rumbler system stainless steel? Because I may go with that instead, because one of my selling points for Magnaflow was the full stainless construction.

                  And I'm not sure if I'm going to a shop or doing it myself yet. I have a couple of friends who know how to weld so I'd rather get a cat back and do it myself. I also have access to two different lifts. It'd be nice to not have to pay a shop to do all of the work as well.

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                  • #10
                    Re: Best suggestion to build 3&quot; exhaust...

                    this is what i plan on doing: http://home.comcast.net/~grayman99/M...20-install.htm
                    Check out my cardomain site!<br /><a href=\"http://members.cardomain.com/99pewterv6\" target=\"_blank\">My Car</a>

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                    • #11
                      Re: Best suggestion to build 3&quot; exhaust...

                      rumbler is NOT stainless. if your worryed about rust, definatly go magnaflow.

                      graymans guide is very helpful, shouldnt have any issues.
                      1998 bright red camaro ,M5 ,Y87 ,stock<br /><br />Originally posted by Rune:<br />If it smells like a turd and looks like a turd, chances are its probably not a candy bar.

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                      • #12
                        Re: Best suggestion to build 3&quot; exhaust...

                        Yeah, but I've already come across something wrong. I have my Pacesetters, and just got my Carsound cat (3") today, but they're the exact same diameter...? I thought the y-pipe was supposed to fit around the cat according to the guy's guide.

                        My header gaskets are on the way from Abbott Racing, I need to get the correct bolts to install my headers, I need to figure out how to connect my y-pipe to my cat, and most importantly... Cat back...

                        I was eyeing this from FTPP.net,(http://www.ftpp.net/V6Main.htm scroll down to 3" Magnaflow) but with no S-pipe. I'm sure an exhaust shop would have no problem making one for me though for a decent price.

                        I'm beginning to think the exhaust thing isn't going to be worth it anymore... :cry:

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                        • #13
                          Re: Best suggestion to build 3&quot; exhaust...

                          I talked to one of my mechanic buddies, and he ordered me a LT1 3" exhaust with Cherry Bomb muffler for $150. It was the I-pipe and overaxle pipe and muffler, all mandrel bent. He then made me a S-pipe and tailpipes and replaced my cat with a straight pipe. Total, it costed me $320 for it all, installed. So, I've got PaceSetter headers with 3" Y-pipe, going to 3" piping all the way back to a 3" dual 2.5" out muffler.
                          ~97 3.8L V6 Camaro~
                          A few things

                          Only Member of Team Hooker?!?

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                          • #14
                            Re: Best suggestion to build 3&quot; exhaust...

                            Originally posted by Disruptore4
                            Yeah, but I've already come across something wrong. I have my Pacesetters, and just got my Carsound cat (3") today, but they're the exact same diameter...? I thought the y-pipe was supposed to fit around the cat according to the guy's guide.
                            The pacesetter y-pipe is expanded to 3" ID on the end. I don't know why they did this. Just cut off the expanded lip.

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                            • #15
                              Re: Best suggestion to build 3&quot; exhaust...

                              get a slp "shootgun" style muffler and then have the shop make the pipes for you. They sound sweet imo

                              Abbott long tubes,homemade true duals,slp ram air,whisper lid,eibach springs,kyb shocks,BMR subframe connectors, BMR LCA reloc brackets,BMR LCAs. T-top/manual converted

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