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Headers?

This is a discussion on Headers? within the External Engine forums, part of the LSx Technical Help Section category; Im about to order headers , and my car is really low witch r the best ? My friends say ...

  1. #1
    Junior Member Magic WRAITH's Avatar
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    02TransAm

    Question Headers?

    Im about to order headers , and my car is really low witch r the best ? My friends say SlP will cause problems. IM looking at getting mack, pace .

  2. #2
    Senior Member Too Fast's Avatar
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    Black
    2000 WS6 6spd Hooker LT

    I was concerned about low hanging headers, so I was advised by all here to not get SLP. I bought Hooker ceramic coated and their ORY. These fit higher than my stock exhaust did, and the tubes are tuned length. Pacesetters are not tuned, but the HP difference is only a few, not sure if Mack are tuned.

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    black
    1998 Trans Am

    I thought Mac were only mid length? Long tubes are the only way to go unless you are concerned about emissions. Pacesetters are going to be your best bang for buck headers, hookers are ok, and if you have the money go with QTP or Kooks.

  4. #4
    Member sfletch2000's Avatar
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    86 Buick Grand National
    02 WS6-M6 407 RWHP

    I've got pacesetters and the clearance is pretty good, the only time i have a problem is with minor scraping over large speed bumps.

  5. #5
    Story of My Life!! BIG D's SS's Avatar
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    07 TBSS, 07 GSXR1000

    I had the Mac Mids and with off road h pipe. Well the only reason I went with those is because I got them brand new with the y-pipe for about 250. Benefits of working at Year One. Never had any problems with clearance. Ypipe tucked up real nice even on the passenger side and love the ball and socket connectors. I would stay away from SLP. Those are about the worst ones for lowered cars other than that it is just gonna be being smart about were you go.

  6. #6
    Junior Member Magic WRAITH's Avatar
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    thanks for the help !!!!!

  7. #7
    Member KiD WiCKeD's Avatar
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    Navy Blue Metallic
    '02 Trans Am WS6

    If your budget allows, go with stainless. They last way longer than anything else out there. Kooks and Dynatech are the best ones IMO.

  8. #8
    ArtistFormerlyKnownAsMac Silver Streak's Avatar
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    Just stay away from Flotechs... just spent 24 hours (12 hours sat and 12 hours on sun) trying to install them and the exhaust on a 00 trans am this weekend... FINALLY got them on.. but the WORST fit and placement possible. But my vote is COATED PaceSetter LongTubess.
    -Geno
    1983 Black WS6 "WindCharger"
    1987 Black WS6 "WS87"
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    Sold the other four f-bodies

  9. #9
    last of the breed... urstolendesire's Avatar
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    2002 Transam

    so for someone like me that is concerned about passing emmsions...long tubes wont fit?? sense its all computerized, do i still need cats? and where would they fit!?

  10. #10
    ArtistFormerlyKnownAsMac Silver Streak's Avatar
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    You need to find out what your laws are.. if there is emmissions testing.. then you technically need Cats, Air system, etc. PS does make emissions friendly LTs as well as racestyle...

  11. #11
    last of the breed... urstolendesire's Avatar
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    True, i know your supposed to have cats and we do have emmisons and such...what about the 4 o2 sensors? sry for bein a pain...so jus get some lt's with a y-pipe? and i guess put some type of cat right after the y-pipe?

  12. #12
    ArtistFormerlyKnownAsMac Silver Streak's Avatar
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    If you don't get the offroad y, and get the emmissions LTs, you should be able to get cats on between them like they should be... someone correct me if I'm wrong...

  13. #13
    last of the breed... urstolendesire's Avatar
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    2002 Transam

    hrm....i wonder if theres a "good" kit with all that included? i've seen the headers and y-pipe, but does that mean i'll need to get a seperate high-flow cat? or if the o2 sensors go into the header tubes, then the computer wouldent even know if there was a cat??

  14. #14
    Senior Member Too Fast's Avatar
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    Black
    2000 WS6 6spd Hooker LT

    I read somewhere on this site that people have put on LT and a Catted Y-pipe, not sure where. Do a search.
    Emission laws are different everywhere, some are only checking for codes, some are that plus visual, some are those plus a dyno run. With the visual, some make sure the cat is in the correct location. LTs move that location, so illegal if you must pass that. You could only use shorties, they connect directly to your stock cats.
    Your computer will know if you have no cats unless you tune it out. That is why you have 4 O2 sensors, 2 before the cats (to monitor AF ratio) and the 2 after, to monitor cat efficiency. 1 O2 sensor before and after each cat.
    Maybe someone from GA could help you more on this.

  15. #15
    11 Second Club 11.34 bigboykilroy's Avatar
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    Red
    1998 Firebird Trans AM

    I have the Mac Mids and with off road y pipe - with a magnaflow wide open. Very nice, like it alot.

  16. #16
    last of the breed... urstolendesire's Avatar
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    yaa i think i'm gonna ride by an emmissons place and ask exactly what they would check, then never go there again. lol... well i guess i could jus get some lt's and an offroad y-pipe? the other alternative is jus true duals right..?

  17. #17
    ArtistFormerlyKnownAsMac Silver Streak's Avatar
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    If you don't want to pass emmisisions.. yeah.

  18. #18
    Junior Member 02silvaZ's Avatar
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    2002 Z28 M6

    slp will scrape bumps with a lowered car, i am running the hedman lt's and have no ground clearance issues, tuck nicely under the car

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