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OBX headers

This is a discussion on OBX headers within the External Engine forums, part of the LSx Technical Help Section category; anyone have these and were there any fitment/install issues? how is the sound/performance?...

  1. #1
    Pony_eater Pony_Eater's Avatar
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    2000 trans am ws6

    OBX headers

    anyone have these and were there any fitment/install issues? how is the sound/performance?

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    ?

    I've seen these for sale and wondered the same. Anyone?

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    Pony_eater Pony_Eater's Avatar
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    still no reply on these headers?

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    Senior Member INMY01TA's Avatar
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    I wouldn't use em.

  5. #5
    Pony_eater Pony_Eater's Avatar
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    Quote Originally Posted by INMY01TA View Post
    I wouldn't use em.
    why not?

  6. #6
    Member GNICTRY's Avatar
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    i have them on my 2000 ws6 put on at around 90k n got 120k now and are just now turning bronze from the heat. I had an issue with it hitting my steering knuckle but slid the shaft over a smig it it fine...from other i have talk to w these did not have this issue. The sound great and great quality...

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    3-Time F-Body Offender doozjamann's Avatar
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    I've heard of people using them and they work fine. Alot of guys on the SVT forum are running them.

  8. #8
    Pony_eater Pony_Eater's Avatar
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    Thanks guys ill be buying headers this summer and need to go cheap and since this is my dd i figured stainless would be great...hey does anyone know wat catted Y-Pipe hooks up to these?

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    Senior Member INMY01TA's Avatar
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    Quote Originally Posted by Pony_Eater View Post
    Thanks guys ill be buying headers this summer and need to go cheap and since this is my dd i figured stainless would be great...hey does anyone know wat catted Y-Pipe hooks up to these?
    Doesn't it come with a y pipe? These headers are the old FLP design. No other Y pipe is going to fit them. Either cut into it and weld in cats or go custom pretty much only options. So much for saving money ehh?

  10. #10
    Pony_eater Pony_Eater's Avatar
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    haha ya possibly...is it possible to weld in cats after the Y or no

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    Senior Member INMY01TA's Avatar
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    Quote Originally Posted by Pony_Eater View Post
    haha ya possibly...is it possible to weld in cats after the Y or no
    One cat after the y pipe won't clean the exhaust good enough to be effective, won't get hot enough. Will basically act as a muffler. Wouldn't really be legal either, if that's what your after. If your town does strict visual emmission inspections they'll know there's supposed to be two cats after the manifolds. If theirs no visual inspection just go with no cats. My car has passed two or three times now with LTs and an off road y pipe.

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    Senior Member karpetcm's Avatar
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    Its true, your car will not pass smog with one cat after the Ypipe. Ive done this and never worked for me on either of my cars. They dont get warm enough and isnt effective either at cleaning up the emissions. If you wanna pass smog you would put a cat on either side of the ypipe right after the headers. Even with high flows you should have no issues passing, as stated though if there is a visual you might not pass either way since the cats have been moved from there original locations meaning further down. Im gonna install LT's and ORY and call it a day, ive never really had any issues with cops looking underneath my car or pulling me over for me being loud and trust me ive had really loud cars, lol.

  13. #13
    Pony_eater Pony_Eater's Avatar
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    The problem is I live in Cali so ...i dont think they will do a visual but will it pass emissions without the cats?

  14. #14
    Just a slow Camaro KING Z28 HAWK's Avatar
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    Pony eater just see if you can find a shop that will let you "PASS" for a little $. I'm in the same situation right now prob going to put LT's and ORY on this summer but there is a few shops around that will "pass" me.

  15. #15
    Pony_eater Pony_Eater's Avatar
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    I got a shop thats gonna do my '79 t/a with no smog stuff at all but its gonna cost me $300

  16. #16
    Member 1986camarojoe's Avatar
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    99 Z28 04 Corvette

    I have these headers on my car. I'm pretty happy with em, theyre real heavy duty, flanges are super thick, but emissions arent an issue here in Iowa.

  17. #17
    Just a slow Camaro KING Z28 HAWK's Avatar
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    Yeah im in Iowa right now for school wish I would have brought the camaro with me I miss her. I could have a lot of fun out here with all this space and long roads!

  18. #18
    Simpsons Did it!! 98formy's Avatar
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    98 Formula WS7-sold:(

    I had them, no probs with the headers, y pipe however, is another story. I had a custom y made up, the one with the kit with all the pieces and band clamps just sucked.

  19. #19
    Just a slow Camaro KING Z28 HAWK's Avatar
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    Any one got the link to these?

  20. #20
    Member 1986camarojoe's Avatar
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    99 Z28 04 Corvette

    I found mine on ebay. Just search "LS1 headers" they'll probably come up. I used everything in the kit and had no problems, except I bought new gm gaskets.

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