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Unbolting my exahust?

This is a discussion on Unbolting my exahust? within the GTO forums, part of the Vehicle Specific category; My friend wants me to unbolt my exauhst to see how it sounds. If i do it would just be ...

  1. #1
    Member blk-ws6's Avatar
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    Unbolting my exahust?

    My friend wants me to unbolt my exauhst to see how it sounds. If i do it would just be for like a day or a couple minutes just to see how it sounds.. Is there any serious danger to doing this?

  2. #2
    Grand Imperial Wizard Sarge's Avatar
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    Unbolt it from where?

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    Member blk-ws6's Avatar
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    after the cats and resonator but before the muffler.

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    Veteran 0rion's Avatar
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    98 Formula
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    I can take a video of mine if you'd like.....been running it that way for months. I'm actually not a big fan of the sound at all and believe it or not the car feels slower with them off but I'm waiting to see exactly what I want to do with the exhaust before putting it back on. It's not real loud. Drones bad though and just doesn't sound good in general to me. I have people tell me they like the way it sounds but they probably wouldn't know a good sounding car if they heard it.
    That's my opinion. Try it yourself and see what you think. Easy to take off and put back on. I might actually like mine if I could at least put some turn downs on it to cut down on the drone but I don't want to butcher the factory flanges so I can put it back together at some point.

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    Ebaaaaaaaaa Speedy_Gonzales's Avatar
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    the only thing it will hurt is your ears

  6. #6
    Member blk-ws6's Avatar
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    ya i just did it, i like the way it sounds but like you said, too much droning.. it did fel slower to me, but i looked down at my speedo and was like wow, it got up there fast. idk if im gonna keep it or not.

    Do the cops fuck with you a all?

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    Ebaaaaaaaaa Speedy_Gonzales's Avatar
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    get a cut-out you will love it

  8. #8
    Veteran 0rion's Avatar
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    Quote Originally Posted by blk-ws6 View Post
    ya i just did it, i like the way it sounds but like you said, too much droning.. it did fel slower to me, but i looked down at my speedo and was like wow, it got up there fast. idk if im gonna keep it or not.

    Do the cops fuck with you a all?
    nope, it's not really that loud outside the car......it's inside the car where it's loud. You'll get used to the drone after a little while but it's still there. I think at wot it sounds like shit to me. There's no definition to the sound, it's just loud.

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    Member The Silver Goat's Avatar
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    Qucik Silver Metalic
    2004 GTO - M6

    Also, these motors are design with specific parameters. GM has the best R & D department in the world.

    The cats (which are right underneath you) and exhaust system creat a specific amount back pressure pressure for driveability, hp & torque. Removing anything post the cats will affect performance if you haven't replaced it or work on the intake side.

    There is balance between intake and exhaust - you can't be constipated, nor you can't have the $hits either as you can't build pressure...

    You won't damage it, but you'll not see an improvement in performance.
    The PCM will take timing out of the motor because it won't know why the exhaust has been freed up so much

    the systems are monitor everything - if you don't buckle your seat belt and get into an accident the body unit knows and you can't sue GM for harm.
    Last edited by The Silver Goat; 07-12-2008 at 06:09 AM.

  10. #10
    Grand Imperial Wizard Sarge's Avatar
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    Just loud as hell and you lose power ( torque)...

  11. #11
    Senior Member qwkgto's Avatar
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    Phantom Black Metalic
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    def slow down the car as the computer pulls timing fuel etc when it does not get what it wants,save yourself the hassel,get yourself a good exhaust,heads ,cam, tune. have a lot more fun as it will sound the way you want all the time.

  12. #12
    I went to Playboy Mansion FantaZGuy28's Avatar
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    Ive had my gf drive my GTO past me and I was in her car on the freeway and its really not that loud outside the car. I dumped my exhaust right before the rear end.

  13. #13
    Member blk-ws6's Avatar
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    Quote Originally Posted by The Silver Goat View Post
    Also, these motors are design with specific parameters. GM has the best R & D department in the world.

    The cats (which are right underneath you) and exhaust system creat a specific amount back pressure pressure for driveability, hp & torque. Removing anything post the cats will affect performance if you haven't replaced it or work on the intake side.

    There is balance between intake and exhaust - you can't be constipated, nor you can't have the $hits either as you can't build pressure...

    You won't damage it, but you'll not see an improvement in performance.
    The PCM will take timing out of the motor because it won't know why the exhaust has been freed up so much

    the systems are monitor everything - if you don't buckle your seat belt and get into an accident the body unit knows and you can't sue GM for harm.

    I can always get it tuned and performance would be back to normal if not more than stock right??

  14. #14
    Nitrous Tuner LS2Tuner's Avatar
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    Quote Originally Posted by Sarge View Post
    Just loud as hell and you lose power ( torque)...
    Very True!!!!

    Shit there is also a usually a HP loss unless a experienced tuner has re-tuned it for the opening of the exhaust. Even then the gain is usually in a VERY small rpm window and losses are seen EVERY where else.

    Is funny how many think there cars are faster because they are louder.
    Don't be afraid of the bottle!!! Be afraid of your tune!!!

  15. #15
    Grand Imperial Wizard Sarge's Avatar
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    Sure you can tune for it.....but these kids want LOUD and lose all their torque......and cannot understand it....

  16. #16
    Veteran 0rion's Avatar
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    I would like to dyno one before and after removing the exhaust. I would say there's a fairly substantial difference. It was enough that I noticed it. The car just doesn't have the balls it had with full exhaust on it. I've been debating back and forth whether to put mine back under it or not and will probably end up doing that. I would like to at least get a catless mids before doing that though. I don't want to put it all back under there and then have to pull it all back out again. I've also been to lazy to go get gaskets for the mid to catback flanges. My stock gaskets aren't reusable. It's on the list of things to do. I'll get to it about December probably.

  17. #17
    Grand Imperial Wizard Sarge's Avatar
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    I can tell you....we lost 38 ft lbs of RWTQ by unbolting the exhaust for shits and giggles fucking around at the shop....

  18. #18
    Veteran 0rion's Avatar
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    Quote Originally Posted by Sarge View Post
    I can tell you....we lost 38 ft lbs of RWTQ by unbolting the exhaust for shits and giggles fucking around at the shop....
    I don't doubt that number one bit. I may throw mine back under there this week. My bro is doing the exhaust all the way back on his soon. I was planning on just stealing his stock stuff off his 06 as payment for doing the work for him. I like the sound of his 06 stock.

  19. #19
    Member PatrizioD's Avatar
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    Nero
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    The 06 stock exhaust note is extremely pleasing to my ears. I always get thumbs up when I revv at stoplights, and it definitely sounds better than my neighbor with the Cobra w/full exhaust.

    +1 on the cutout...

  20. #20
    Senior Member GOT1GOAT's Avatar
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    I took my stocker off (the day I was installing my magnaflow) and rode around a little. I live in a city that puts up signs about 'No loud Radios or Exhaust' and from in the car,it was obnoxiously loud. I grannied it back home just praying that the motor jock cop wasn't around. I know that I definetly lost lots of tourqe with it off.

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