Is true dual exhaust better than open borla? - FirebirdV6.com/CamaroV6.com Message Board

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Is true dual exhaust better than open borla?

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  • #1

    Is true dual exhaust better than open borla?

    I've been wondering about this. I think I need to ditch the borla because every time I smog my bird I'm borderline failing. Borla is close of course during smog. Once the smog is done I run it open again, which frees up some HP.

    If I go with the dual I could put 2 cats on it and make it legal. But I wonder if they are better than an open borla?
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  • #2
    Re: Is true dual exhaust better than open borla?

    GMs were bad about that

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    • #3
      Re: Is true dual exhaust better than open borla?

      I would check your set up.. it shouldn't be that hard to pass emissions what are you failing what year is your car all the testing is OBD2 now not rollers

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      • #4
        Re: Is true dual exhaust better than open borla?

        Originally posted by Turbo Dan View Post
        I would check your set up.. it shouldn't be that hard to pass emissions what are you failing what year is your car all the testing is OBD2 now not rollers
        I don't have OBD2 anymore. I went with Random Tech Cat. I just read somewhere that Calif. might not accept Borla because they are always borderline.

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        • #5
          Re: Is true dual exhaust better than open borla?

          goodluck setting up a TD, most of the time its a waste of money. And if you are passing, then why change?

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          • #6
            Re: Is true dual exhaust better than open borla?

            Originally posted by whitdog54 View Post
            goodluck setting up a TD, most of the time its a waste of money. And if you are passing, then why change?

            I just wanted to know if there's better gain with TD over open borla.

            The things there's several more stuff I want to add mod wise.

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            • #7
              Re: Is true dual exhaust better than open borla?

              as much as i love a nice set of duals...save the headache and keep the borla setup.
              pacesetters|full 3" borla exhaust|3" stainless e-cutout|slp cai & ram intake|c/f whisper lid|tbs|eibach|kyb|stb|sfc's|adj.lca's & phb|slp fan|b&m t5|180*|z06 17x9.5|8000k hids|hptuners|d/s rotors


              sigpic
              gone in body, but not in spirit

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              • #8
                Re: Is true dual exhaust better than open borla?

                are you full exhaust headers back? and what size?
                pacesetters|full 3" borla exhaust|3" stainless e-cutout|slp cai & ram intake|c/f whisper lid|tbs|eibach|kyb|stb|sfc's|adj.lca's & phb|slp fan|b&m t5|180*|z06 17x9.5|8000k hids|hptuners|d/s rotors


                sigpic
                gone in body, but not in spirit

                Comment

                • #9
                  Re: Is true dual exhaust better than open borla?

                  Gains are going to be minimal for the cost. Biggest difference will be sound.
                  '99 Camaro
                  '04 Saab 9-3 Aero
                  '90 Audi Coupe Quattro

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                  • #10
                    Re: Is true dual exhaust better than open borla?

                    Originally posted by BallerMaro13 View Post
                    are you full exhaust headers back? and what size?
                    Yes, it's the regular Catback Borla.

                    Originally posted by pace2006
                    Gains are going to be minimal for the cost. Biggest difference will be sound.
                    After doing a little bit more research I think you're right.

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