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Thread: Need Help with my Corsa Muffler?? will it fit?

  1. #1
    Join Date
    Mar 2003

    Need Help with my Corsa Muffler?? will it fit?

    I Bought a Corsa muffler from a guy here on this forum (Just the muffler),
    I Went to install it today & Now i found out that my EXT has Duel inlet & duel outs on the stock muffler, The corsa in single in/Single out

    The guy at the muffler shop said that if i make a Y-Pipe to make my stock pipe(from the cat to the muffler) that it would make too much back pressure & make the Check Engine Light come on because of the o2Sensors?
    is this true?

    dose corsa mufflers come with duel inlet/outlet pipes for the 6.0? or is the muffler i have made for a 5.3? i am very confused now & not sure what to do PLEASE HELP,

    Do you guys have any pics of your installs?
    and/or your Corsa Muffler, the one i got seems to be like a strait pipe It looks like it has no Baffels & it dosen't say corsa on the muffler? dose yours look like this?


    thanks I NEED HELP ASAP!!.

    DOSE YOUR MUFFLER SAY CORSA anywhere on it?
    mine don't?

    Last edited by larry_chip; 03-13-04 at 05:42 PM.

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  3. #2
    hcvone is offline Cadillac Owners 10000+ Posts
    Automobile(s): 2012 Escalade, 2014 SRX
    Join Date
    Apr 2003
    H.V., Pa/Town of Webb, NY

    Re: Need Help with my Corsa Muffler?? will it fit?

    You have a Corsa muffler for a 6.0, it appears that Corsa uses a "Y" pipe into one muffler looking around at pixs on the internet, I will check my Corsa system when I get home on Monday. I have had no check engine lights in 12,000 miles since I installed it, and it has much less backpressure than stock, you can tell that by how quickly it winds through the gears.

  4. #3
    Join Date
    Mar 2003

    Re: Need Help with my Corsa Muffler?? will it fit?

    can you send me some of the pictures your've seen on the net,
    i've been looking for Corsa Installs & Pictures all day & havn't founf anything.



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