? for you cam guys
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2004-2007 Cadillac CTS-V Performance Mods Discussion, ? for you cam guys in Cadillac CTS-V Series Forum - 2004 - 2007; I have an appt. to take my car in on the 2nd for cam/ headers/ tune/ misc. As I was ...
  1. #1
    a3ritter is offline Cadillac Owners Member
    Automobile(s): 05 CTS-V
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    ? for you cam guys

    I have an appt. to take my car in on the 2nd for cam/ headers/ tune/ misc. As I was driving today, I was wondering if having a cam and headers alters cabin noise and by how much. The V is my DD and one of my favorite features of the car is how well it blocks out outside noise. Let me know what you think. Thankx.

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  3. #2
    soflarick's Avatar
    soflarick is offline Cadillac Owners Enthusiast
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    Re: ? for you cam guys

    Headers with the stock exhaust will offer a bit more muscular sound, but not be very noticeable within the cabin. An aftermarket camshaft will likely have more aggressive ramp rates (you are changing the valvesprings, right), and that will create more valvetrain noise, which will be amplified with the thin walled headers. However, with the stock exhaust, it will be well within DD NVH limits. Just don't change the stock exhaust. It's absolutely not worth it for your application.

  4. #3
    a3ritter is offline Cadillac Owners Member
    Automobile(s): 05 CTS-V
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    Thread Starter

    Re: ? for you cam guys

    Yes, I am upgrading my valvetrain as well. I have already installed a Corsa cat-back, so I imagine with the headers and cam installed the sound will be throaty outside of the car. Again my concern is how loud/ annoying will it be inside.

  5. #4
    Den_93's Avatar
    Den_93 is offline Cadillac Owners Fanatic
    Automobile(s): 2011 CTS V
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    Re: ? for you cam guys

    The headers will make it alittle louder, but not bad imo. If you swap out the Corsa resonator with an X-pipe, then it will be LOUD! The cam won't make it louder.

  6. #5
    perfect's Avatar
    perfect is offline Cadillac Owners Connoisseur
    Automobile(s): 2005 Cadillac CTS-V Platinum
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    Re: ? for you cam guys

    I just had a cam installed with all new drivetrain components and headers (already installed). My car is definitely much louder on the outside but only marginally louder on the inside. It's not too bad...but I have cutouts for when I want to really get loud.

  7. #6
    zinner's Avatar
    zinner is offline Cadillac Owners Fanatic
    Automobile(s): 2011 CTS-V / 2010 SRX 2.8T
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    Re: ? for you cam guys

    I have a TSP 228R 112 cam, hooks headers, x pipe and stock mufflers. I also have dual valve springs. Inside the car it's not very noticeable, you do get a good amount of cam lope shake inside.

    I have had cars with drone and lots of exhaust noise, and if you keep the stock mufflers you will be happy.

  8. #7
    uwood's Avatar
    uwood is offline Cadillac Owners Fanatic
    Automobile(s): 2007 Escalade
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    Sep 2007
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    I have a 238/240 cam,kooks stock resonator and no mufflers. I can still carry on a conversation with no issues. Car is very quiet at highway speed

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