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EGR mod, ls1 or ls6 intake?

This is a discussion on EGR mod, ls1 or ls6 intake? within the External Engine forums, part of the LSx Technical Help Section category; I was looking to do the EGR mod on my 04 GTO. Looking at I can't see an EGR tube. ...

  1. #1
    cutting and welding mark21742's Avatar
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    Question EGR mod, ls1 or ls6 intake?

    I was looking to do the EGR mod on my 04 GTO. Looking at I can't see an EGR tube. If dont have the tube coming in behind the throttle body does it mean I have an ls6 intake? Did they come factory like that, or would the previous owner have had to swap it out? If it is an ls6 intake are there any mods I can do to it to make it flow better?
    Thanks guys

  2. #2
    Just me Y2KPewterSS's Avatar
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    The LS1 intakes stopped in 2000. In 2001 and up, all LS1s got the LS6 intake which didn't have the EGR. I am not 100% sure on the GTOs, but more than likely you don't have the EGR.
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  3. #3
    cutting and welding mark21742's Avatar
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    Ok, thanks Y2K, I was reading a bunch of the (free mods) for LS1's lol and the intake just didn't look the same as mine. I was getting confused. Is there anything you can do to mod or port the ls6 intakes, I've read that they are too thin to really port.

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    LSX whore allbaugh_04's Avatar
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    I don't think you can port them, not sure. My ls6 intake is off a gto and it didn't come with egr...i believe it's off an 04

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