WTB GMPP Exhaust
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Cadillac STS-V Series Forum Discussion, WTB GMPP Exhaust in Cadillac V-Series Forums; I think I am ready to pull the trigger. Anyone have one for sale? Also, could I have an exhaust ...
  1. #1
    cadillac94pimpin is offline Cadillac Owners Fanatic
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    WTB GMPP Exhaust

    I think I am ready to pull the trigger. Anyone have one for sale?

    Also, could I have an exhaust shop just weld up some mufflers and tips
    without voiding my GMPP warranty?

    Back when I was looking for exhaust for my fleetwood I was thinking of
    Spin Tech mufflers. They sounded so mean with LT-1's.

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    CIWS's Avatar
    CIWS is offline Cadillac Owners 10000+ Posts
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    Re: WTB GMPP Exhaust

    If looking new I'd say try Luke at Lindsay Cadillac (one of the forum's vendors).

    Luke Butler
    Lindsay Cadillac

    (703) 647-8670
    lbutler@lindsaycadillac.com

  4. #3
    cadillac94pimpin is offline Cadillac Owners Fanatic
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    Re: WTB GMPP Exhaust

    I was looking for a used one because my funds are tight. I called The Gm protection plan they said I can put any exhaust on there and it will not void the warranty. I guess I should have asked about intake as well even though I already have that.

    Anyone have an exhaust system who lives in South Florida I can hear?

    I am debating if I should go to my exhaust guy and ask him what type of setup he can put together instead of Corsa or Borla.

    I dont think Flow Master 40's would sound good.

    Anyone remove the cats or gut them?

    Off topic but anyone have a stage 2 intake for sale to?

  5. #4
    Cataract is offline Cadillac Owners Fanatic
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    Re: WTB GMPP Exhaust

    There was a used corsa and stage 2 intake for sale together on Ebay earlier this week.. still might be up there. They looked kinda beat up, but if u can get it cheap, it could be worth it.

  6. #5
    cadillac94pimpin is offline Cadillac Owners Fanatic
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    Re: WTB GMPP Exhaust

    Quote Originally Posted by Cataract View Post
    There was a used corsa and stage 2 intake for sale together on Ebay earlier this week.. still might be up there. They looked kinda beat up, but if u can get it cheap, it could be worth it.
    Yeah I saw that. I asked if he would sell seperate. I just wanted the stage 2 intake from him.
    Im not sure If I like the corsa sound. I need to hear them each in person

  7. #6
    Cataract is offline Cadillac Owners Fanatic
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    Re: WTB GMPP Exhaust

    I got the corsa, I am very happy with it. I was a bit worried it would not be deep enough sounding, but it really sounds good. If I need more sound later, I can drop an x-pipe in. The youtubes dont really do anything justice.. the corsa exhausts on there all sounded different haha

    I never heard another exhaust on the car.. but I rarely see other sts-v's period.

  8. #7
    cadillac94pimpin is offline Cadillac Owners Fanatic
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    Re: WTB GMPP Exhaust

    Yeah I noticed that they did all sound different. Well I got a dscount quote from a chevy dealer down the street 960 plus tax for the gmpp.
    Its so expensive ahhhhhh. Im just tired of the quietness you know.

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    CIWS's Avatar
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    Re: WTB GMPP Exhaust

    The GMPP should be a full cat back exhaust vs Corsa being mufflers only. I realize you may only want mufflers though.

  10. #9
    cadillac94pimpin is offline Cadillac Owners Fanatic
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    Re: WTB GMPP Exhaust

    Quote Originally Posted by CIWS View Post
    The GMPP should be a full cat back exhaust vs Corsa being mufflers only. I realize you may only want mufflers though.
    Yeah that is one of the reasons why I wanted the GMPP.
    What is the stock pipe dia 2.25 or 2.5? Is the gmpp 2.5?

    I was thinking of having mufflers and tips welded up there to save on cost
    and possibly get a louder exhaust tone.

    I want mine as loud as I can get it. My fleetwood has flow master 40's
    and gutted cats it almost sounds like it has a cam in it.

  11. #10
    Cataract is offline Cadillac Owners Fanatic
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    Re: WTB GMPP Exhaust

    Yea the way I figured is that 90% of my reasoning to get an exhaust was sound and looks.. the performance gain is minimal for any system.

    I ended up paying for 2 hours of labor trying to get my Corsa welded on.. If the GMPP exhaust is an easy install, that could be coming close to covering the difference.. But since that guy already had the ebay one on his car, it could be an easy install?

  12. #11
    cadillac94pimpin is offline Cadillac Owners Fanatic
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    Re: WTB GMPP Exhaust

    Yeah I think a new corsa system has to have the hangers modified. I think Im just going to go with the gmpp.
    Although, I would love to try something custom. Ive heard 3" pipe is good for a blown setup.
    Stock exhaust seems like its being choked out. I may take it to my exhaust guy and see what he can envision.
    He does not have a manderel bender though.

  13. #12
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    silverws6ta is offline Cadillac Owners Fanatic
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    Re: WTB GMPP Exhaust

    The GMPP system is a complete bolt on -- Lots of pieces; X pipe; lots of adjustments can be made.. Has a deep, throaty growl at WOT.. Haven't met a person yet that didn't compliment on it. However, the N* is still quieter than my Escalade truck with GMPP Performance Exhaust.. then again thats like a water main for an exhaust on the 6.2




  14. #13
    CIWS's Avatar
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    Re: WTB GMPP Exhaust

    I get many compliments on the sound of the car, most of the time is when I hit it to WOT as it's going away from them. Literally having people call me on the cell saying how good it sounded as I was leaving. I've never regretted getting the GMPP.

  15. #14
    cadillac94pimpin is offline Cadillac Owners Fanatic
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    Re: WTB GMPP Exhaust

    Sounds like im going to be getting that one. What are those chambers by the Xpipe?
    I wonder if the muffle sound at all.
    Anyone ever weld in straight pipe instead of the cat? Or high flow cats? I live in Forida no emisions. If there is an 02 after the cat I guess I would have to delete it out of the PCM

    Im still going to check with my exhaust guy just for fun. A custom 3 inch system would be pretty nasty I think. Just would have to decide on mufflers if it's possible.

  16. #15
    Cataract is offline Cadillac Owners Fanatic
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    Re: WTB GMPP Exhaust

    I think custom would be fun, def cheaper too.. if your state does not required to have cats.. dont!

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