Straight pipe
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Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, Straight pipe in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; I think I'm gonna run a straight pipe from the cats back. Has anyone ever done this? And does anyone ...
  1. #1
    DWebb_CTS is offline Cadillac Owners Member
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    Straight pipe

    I think I'm gonna run a straight pipe from the cats back. Has anyone ever done this? And does anyone have a sound clip if they have straight pipes on their car

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  3. #2
    sandalet's Avatar
    sandalet is offline Cadillac Owners Enthusiast
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    Re: Straight pipe

    I think the first one who did it, was murdered neighbors. A sound file was a mitigating factor in sentencing.

  4. #3
    Blayne's Avatar
    Blayne is offline Cadillac Owners Connoisseur
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    Probably not the best idea to do it. It is going to have a loud annoying straightpipe sound. The best one by far I have heard is from the headers into an H-pipe to a dual in dual out magnaflow muffler out to the tips. Had a very nice sound. YouTube SvB4EvA. He has a nice clip of it.

  5. #4
    DWebb_CTS is offline Cadillac Owners Member
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    The shop I brought it to said there wouldn't be enough room to run that

  6. #5
    Blayne's Avatar
    Blayne is offline Cadillac Owners Connoisseur
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    Quote Originally Posted by DWebb_CTS
    The shop I brought it to said there wouldn't be enough room to run that
    They are absolutely wrong. Bring it to a different shop. The muffler is 14" x 9" x 4" roughly. The H-pipe is adjustable to what you need then you weld it. It all fits in the tunnel right around where the front seats are. I have the part numbers. Let me take a look for it.

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    Sorry it measures 4x9x11. It is a magnaflow and the part number is 11378. Th H-pipe can be found on eBay for around $50.

  7. #6
    westlee.williams is offline Cadillac Owners Member
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    Quote Originally Posted by Blayne
    Probably not the best idea to do it. It is going to have a loud annoying straightpipe sound. The best one by far I have heard is from the headers into an H-pipe to a dual in dual out magnaflow muffler out to the tips. Had a very nice sound. YouTube SvB4EvA. He has a nice clip of it.
    SvB4EvA's setup uses a Magnaflow Tru X-pipe part number 10790, not an H-pipe. I have the same exact setup on my car and love the way it sounds.

  8. #7
    Blayne's Avatar
    Blayne is offline Cadillac Owners Connoisseur
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    I said use an H-pipe because it will give it a touch lower sound than the x-pipe. It will help eliminate the raspy sound.

  9. #8
    JhughesCTS's Avatar
    JhughesCTS is offline Cadillac Owners Fanatic
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    Love my H pipe.

  10. #9
    Bluehaze07's Avatar
    Bluehaze07 is offline Cadillac Owners Connoisseur
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    Quote Originally Posted by JhughesCTS
    Love my H pipe.
    +1 on the H pipe. CTS-V exhaust with the H pipe sounds good...

  11. #10
    DavidBoren's Avatar
    DavidBoren is offline Cadillac Owners Enthusiast
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    Re: Straight pipe

    Quote Originally Posted by Bluehaze07 View Post
    +1 on the H pipe. CTS-V exhaust with the H pipe sounds good...
    Do you have a sound clip of that? Im going to be grabbing up a Vee-car exhaust here soon, and I could just as easily grab up an H-pipe before I have it all installed.

  12. #11
    Bluehaze07's Avatar
    Bluehaze07 is offline Cadillac Owners Connoisseur
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    Quote Originally Posted by DavidBoren

    Do you have a sound clip of that? Im going to be grabbing up a Vee-car exhaust here soon, and I could just as easily grab up an H-pipe before I have it all installed.
    I have to wait until next week for a sound clip of mine. My cat is cracked and needs repair. I'll get you a sound clip link on YouTube.

  13. #12
    Blayne's Avatar
    Blayne is offline Cadillac Owners Connoisseur
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    Quote Originally Posted by DavidBoren

    Do you have a sound clip of that? Im going to be grabbing up a Vee-car exhaust here soon, and I could just as easily grab up an H-pipe before I have it all installed.
    You don't need to wait for a sound clip. The H-pipe is much better than the x-pipe. Everyone is going with the H now

  14. #13
    CadillacAsAlways's Avatar
    CadillacAsAlways is offline Cadillac Owners Enthusiast
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    Quote Originally Posted by Blayne

    You don't need to wait for a sound clip. The H-pipe is much better than the x-pipe. Everyone is going with the H now
    Same thing for the 3.2L as well? V-exhaust plus H-pipe combo still sound fantastic?

    Right now my cutout (basically a muffler delete) sounds really nice an' throaty so I want to be sure I'm upgrading the sound quality if I'm investing in all this.

    This also isn't blaringly loud is it? My cutout as is is a great volume level. Louder, but not in your face.

  15. #14
    Bluehaze07's Avatar
    Bluehaze07 is offline Cadillac Owners Connoisseur
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    Quote Originally Posted by Blayne

    You don't need to wait for a sound clip. The H-pipe is much better than the x-pipe. Everyone is going with the H now
    Lol well i guess that is right. here is tlorenzen clip. http://youtu.be/41IZ1mJolZo

    Check out the exhaust challenge thread. That's not the name but here is a thread where a member went through different setups:

    http://www.cadillacforums.com/forums...ks-so-bad.html[COLOR="Silver"]

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    Refer to page seven to save time

  16. #15
    JhughesCTS's Avatar
    JhughesCTS is offline Cadillac Owners Fanatic
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    2.25" pipe cat back, H pipe, dual magnaflows. The H pipe made it slightly quieter and deepened the tone.

    http://youtu.be/mTw-2AwKDgo

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    Quote Originally Posted by JhughesCTS
    2.25" pipe cat back, H pipe, dual magnaflows. The H pipe made it slightly quieter and deepened the tone.

    http://youtu.be/mTw-2AwKDgo
    Oh yeah and a volant intake.

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