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  • Can I run with open headers? or Y- Pipe?

    Quick question, I'm getting my headers sometime soon and I was wondering if I could just put them on and then run the car like that? If so, how long can I safely do it?

    I don't really care if it's illegal, I don't think I'll get in trouble.
    - JT3<br />1998 Red V6 Camaro Y87 Y3F - J.E.T. Chip Stage II - Clear Parking Lights - Removed Grill - K&N - Whisper Lid - !FRA MOD - MAF Screen Removed - Pro 5.0 - Pacesetter Headers - Magnaflow Catback - 32mm Front Swaybar - And A System(bump bump)

  • #2
    its gonna be REAL loud and sound like arse but you could probably do it, just hope u dont get pulled over...
    <b>Black</b> 1998 Pontiac <i>Firebird</i> A-4 swap<br />271.4rwhp/259.4rwtq NA<br />13.30@102.44 <br /><a href=\"http://www.freewebs.com/wickedsix98\" target=\"_blank\">www.freewebs.com/wickedsix98</a>

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    • #3
      Open headers are really loud. I drove around with them for a couple days. I had a decent power increase. the SLP loudmouth flows almost as well as open headers.
      1999 red camaro v6 M5: with a turbo<br />13.52@107.99<br />No, seriously: Who Farted? <br /><a href=\"http://www.cardomain.com/memberpage/600086\" target=\"_blank\">http://www.cardomain.com/memberpage/600086</a>

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      • #4
        It won't burn or melt anything important, right? Well, it shouldn't anyway, right?
        - JT3<br />1998 Red V6 Camaro Y87 Y3F - J.E.T. Chip Stage II - Clear Parking Lights - Removed Grill - K&N - Whisper Lid - !FRA MOD - MAF Screen Removed - Pro 5.0 - Pacesetter Headers - Magnaflow Catback - 32mm Front Swaybar - And A System(bump bump)

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        • #5
          you might get some flames and stuff.
          I don't think our cars are really designed to run open headers... I would go open y-pipe to be safe. I know you can damage the car running no headers, not sure if our cars are safe with just headers tho.
          <b><a href=\"http://members.cox.net/95batmobile/d86f.jpg\" target=\"_blank\">Sinister Six©</b></a><br /><a href=\"http://www.sounddomain.com/id/95batmobile\" target=\"_blank\">My \'95 Bird</a><br />I am not afraid of storms, for I am learning how to sail my ship.

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          • #6
            I had the pacesetters y-pipe and could barely get the car going....my low end torque was horrible and it was so loud it shook the whole car about 2k RPM. I'm glad I only had to go 2 miles through town to the exhaust shop.
            <a href=\"http://www.onid.orst.edu/~waltejam/\" target=\"_blank\">98 Bright Red Camaro</a><br />Too many mods to list....check my website

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            • #7
              my friends and i ran open headers on a eclipse, the car never ran right after that. i think it has something to do with the valves
              1998 green camaro, bear rotors.<br />It\'s not how much money you have, It\'s how many toys you have.

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              • #8
                To low of back pressure kills your power. Especially on a 4 cylinder, cuts off what balls they got.
                1999 Pontiac Trans Am M6 Far from stock.....
                Pics http://rides.webshots.com/album/5599...Dk?vhost=rides

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                • #9
                  Originally posted by SecretAgent420:
                  my friends and i ran open headers on a eclipse, the car never ran right after that. i think it has something to do with the valves
                  It is possible to bend valves if there isn't enough back pressure....mostly only happens on 4 cylinders.
                  <a href=\"http://www.onid.orst.edu/~waltejam/\" target=\"_blank\">98 Bright Red Camaro</a><br />Too many mods to list....check my website

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                  • #10
                    yea i really wouldnt suggest running open like that...deff kills power and sounds like donkey crap.
                    96 3.8l green camaro Y87 <br />(Sold January 28th, 2004) New whip (02 Civic SI)<br />\"Out with the bad..in with the good; out with the bad in with the good!\"<br /> <a href=\"http://members.cardomain.com/themeangreen6\" target=\"_blank\">http://members.cardomain.com/themeangreen6</a>

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                    • #11
                      If you run open headers then you'll probably have to reposition the o2 sensor b.c. without an o2 sensor your car def. wont run right.
                      <a href=\"http://albums.photo.epson.com/j/AlbumIndex?u=4187730&a=31095602&f=\" target=\"_blank\"> 2000 Black Firebird Y87 </a> <br />K&N filter, Whisper Cold Air Intake, Cutout Exhaust;<br />3.42 Gears, LSD;<br />160* Powerstat, Removed Silencers, MAF screen removed;<br />Zex hyperformance Spark Plugs, MSD Superconductor Wires, Manual Fan<br />Switch<br />15.08@90.86 2.149 60ft

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                      • #12
                        Originally posted by firebirdrumble00:
                        If you run open headers then you'll probably have to reposition the o2 sensor b.c. without an o2 sensor your car def. wont run right.
                        the O2 sensor hooks up to the headers.. open headers mean you don't have any other piping after the headers... still have the headers on tho [img]tongue.gif[/img] If you ran without headers it would mess your motor up and you'd be up sh8t creek.
                        <b><a href=\"http://members.cox.net/95batmobile/d86f.jpg\" target=\"_blank\">Sinister Six©</b></a><br /><a href=\"http://www.sounddomain.com/id/95batmobile\" target=\"_blank\">My \'95 Bird</a><br />I am not afraid of storms, for I am learning how to sail my ship.

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                        • #13
                          and then the post cat o2 sensor problem can also be solved by an o2 sim eh lol
                          <a href=\"http://albums.photo.epson.com/j/AlbumIndex?u=4187730&a=31095602&f=\" target=\"_blank\"> 2000 Black Firebird Y87 </a> <br />K&N filter, Whisper Cold Air Intake, Cutout Exhaust;<br />3.42 Gears, LSD;<br />160* Powerstat, Removed Silencers, MAF screen removed;<br />Zex hyperformance Spark Plugs, MSD Superconductor Wires, Manual Fan<br />Switch<br />15.08@90.86 2.149 60ft

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                          • #14
                            Originally posted by speedy-v6-camaro:
                            </font><blockquote>quote:</font><hr />Originally posted by SecretAgent420:
                            my friends and i ran open headers on a eclipse, the car never ran right after that. i think it has something to do with the valves
                            It is possible to bend valves if there isn't enough back pressure....mostly only happens on 4 cylinders. </font>[/QUOTE]bent valves from runing open headers is not because of the lack of backpressure, it is because after the exhaust pulse has dicipated cold (relative to the temp of the exhaust) air contacts the valves and warps them from the rapid contrast in temperatures
                            -Aaron, AKA ATL2001<br />93 3.4L <br /><a href=\"http://www.ilfba.com\" target=\"_blank\">www.ilfba.com</a>

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