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Old 09-03-2009, 07:08 AM   #1
HDCrazy
 
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Decel Exhaust pop ??
I have noticed my SS/M6/LS3 has Decel exhaust noise (gurgle/pop) while in 2nd or 3rd gear and off the gas-pedal slowing down (2000-1300 rpm) while coming to a stop.
Is this normal? Just curious, thanks for any input.

Gs
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Old 09-03-2009, 07:11 AM   #2
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Yeah, it's normal.
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Old 09-03-2009, 07:14 AM   #3
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And it get real pronounced if you do a "muffler delete".....
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Old 09-03-2009, 07:21 AM   #4
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Yes it is normal, most manual cars gurgle and pop when decelerating while the transmission is moving faster than the engine. nothing to worry about. V8's are especially known for this and everyone i know loves it
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Old 09-03-2009, 07:22 AM   #5
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Old 09-03-2009, 07:44 AM   #6
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Get use to it
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Old 09-03-2009, 07:47 AM   #7
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Yup, wait till you do engine mods it gets even better
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Old 09-03-2009, 09:13 AM   #8
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NASCAR seems to have that problem too...

dont try to fix it... just buy the V6 instead
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Old 09-03-2009, 09:25 AM   #9
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A good quality exhaust X-pipe usually helps eliminate most of the noise. If you do a CAT-back like the one made by Magnaflow, it has a X-pipe built in as part of the package. Good Luck
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Old 09-03-2009, 09:47 AM   #10
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Originally Posted by Sack Rat 2SS View Post
A good quality exhaust X-pipe usually helps eliminate most of the noise. If you do a CAT-back like the one made by Magnaflow, it has a X-pipe built in as part of the package. Good Luck

eliminate the gurgles and pops!?? this is blasphemy.
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Old 09-03-2009, 09:58 AM   #11
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And it get real pronounced if you do a "muffler delete".....
listen around 35 sec
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Old 09-05-2009, 11:50 PM   #12
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eliminate the gurgles and pops!?? this is blasphemy.
+1
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Old 09-06-2009, 01:15 AM   #13
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eliminate the gurgles and pops!?? this is blasphemy.
eliminates some of the noise from it. its still going on, you just dont hear it.
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Old 09-06-2009, 01:45 PM   #14
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And it get real pronounced if you do a "muffler delete".....
Thats MY plan for next summer.....can't stand the look of the mufflers, and LOVE the gurgle!
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Old 09-06-2009, 02:54 PM   #15
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Originally Posted by HDCrazy View Post
I have noticed my SS/M6/LS3 has Decel exhaust noise (gurgle/pop) while in 2nd or 3rd gear and off the gas-pedal slowing down (2000-1300 rpm) while coming to a stop.
Is this normal? Just curious, thanks for any input.
Gs
The popping sounds absolutely fantastic on our 2SS M6 with the Corsa cat back exhaust, would not have it any other way.
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Old 09-06-2009, 02:58 PM   #16
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I kind of like the sound.
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Old 09-06-2009, 03:13 PM   #17
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NASCAR seems to have that problem too...

dont try to fix it... just buy the V6 instead

my V6 pops too, and I love it!
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Old 06-08-2010, 07:58 PM   #18
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i have this same sound and i liked it but......i am a little embarrassed about how LOUD it is......Can this be tuned out?
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Old 06-08-2010, 08:08 PM   #19
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Thats MY plan for next summer.....can't stand the look of the mufflers, and LOVE the gurgle!
Next Summer????

You do realize that most people are getting it done a local muffler shops for around $100 - $150. It will completely change the sound of your car.
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Old 06-08-2010, 08:09 PM   #20
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i have this same sound and i liked it but......i am a little embarrassed about how LOUD it is......Can this be tuned out?
I've heard it can be tuned out but I also heard you'll loose 1-2 mpg. It's supposed to be something GM did to improve mpg.

I've just learned to either push in the clutch or give it just a little gas if I don't want to hear it.
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Old 06-08-2010, 08:41 PM   #21
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i would be okay with gettin worse mileage to decrease the "drive by" effect i am getting....people keep hitting the deck!
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Old 06-08-2010, 08:43 PM   #22
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Yup, wait till you do engine mods it gets even better
This man speaks the truth
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Old 06-08-2010, 09:18 PM   #23
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i would be okay with gettin worse mileage to decrease the "drive by" effect i am getting....people keep hitting the deck!



This came from the other decel popping thread....

Quote:
Thats DFCO, you can disable it by tune...

Again...you can learn to control it buy pushing in the clutch just as you start to hear it or on decel and/or give it just a little gas.
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Old 06-08-2010, 09:21 PM   #24
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It's really amazing when the cutouts are open!! sounds like an M80 going off
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Old 06-08-2010, 09:34 PM   #25
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Next Summer????

You do realize that most people are getting it done a local muffler shops for around $100 - $150. It will completely change the sound of your car.


Yes, I realize that....Do you realize I wrote that last September??? LOL

That means soon, VERY SOON, my car will get good and LOUD!!!!
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