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full exhaust for 98 z28

This is a discussion on full exhaust for 98 z28 within the External Engine forums, part of the LSx Technical Help Section category; i want to start doing mods to my ls1 and the exhaust is the first thing i wanna do im ...

  1. #1
    Junior Member
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    silver
    98 z28 camaro

    full exhaust for 98 z28

    i want to start doing mods to my ls1 and the exhaust is the first thing i wanna do
    im not sure if i should keep it smog legal with shortys and a magnaflow? catback
    or should i go with true duals with LT's no cats and magnaflow race mufflers?
    if i go with the Lt's how would i go about with the o2 sensors and air/egr?
    any help would be good thanks in advance
    this problem keeps me up at night lol

  2. #2
    USMC Y2K_CAMARO's Avatar
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    2000 Camaro Z28

    Quote Originally Posted by ls1 miguel View Post
    i want to start doing mods to my ls1 and the exhaust is the first thing i wanna do
    im not sure if i should keep it smog legal with shortys and a magnaflow? catback
    or should i go with true duals with LT's no cats and magnaflow race mufflers?
    if i go with the Lt's how would i go about with the o2 sensors and air/egr?
    any help would be good thanks in advance
    this problem keeps me up at night lol
    Well, I have a full exhaust on my '00 Z28. Pacesetter LT's, Off road Y pipe (thats no cats just in case you didn't know that), with SLP Loudmouth the rest of the way back. So you can still keep it smog legal with also keeping cats on it while still having LT's. My pacesetter's came with all the EGR and AIR hook up's. You could go with the delete on them. But I chose to keep them on there. Of course true duels will sound different that a y pipe. Just try and find some video's of different exhaust set up's and see what sounds best to you
    Last edited by Y2K_CAMARO; 12-27-2008 at 06:16 PM.

  3. #3
    Veteran Blackbird WS6's Avatar
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    Quote Originally Posted by ls1 miguel View Post
    i want to start doing mods to my ls1 and the exhaust is the first thing i wanna do
    im not sure if i should keep it smog legal with shortys and a magnaflow? catback
    or should i go with true duals with LT's no cats and magnaflow race mufflers?
    if i go with the Lt's how would i go about with the o2 sensors and air/egr?
    any help would be good thanks in advance
    this problem keeps me up at night lol
    do you have emission in your state if so keep the air/egr, they sell LT with 02 fiting and the setup for the air/egr

    i would go with LT/ y pipe (cats if needed)/ GMMG catback

    if your going to be make high HP down the line them go with the true duals

    just my .02 .......i live in FL. we dont have emission so i dont know that much about it

  4. #4
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    silver
    98 z28 camaro

    thanks

    thanks for the help
    i live in california and emission regulations over here are a PITA
    but i have a friend who does smog checks so i dont have to worry that much about it
    and what do u guys think if i just blocked off the egr system and used simulators for the 02 sensors or got a tune?

  5. #5
    cutting and welding mark21742's Avatar
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    Quote Originally Posted by ls1 miguel View Post
    thanks for the help
    i live in california and emission regulations over here are a PITA
    but i have a friend who does smog checks so i dont have to worry that much about it
    and what do u guys think if i just blocked off the egr system and used simulators for the 02 sensors or got a tune?
    id say forget the simulators and get a tune after the mods. a tune will get you some more power too

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