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10-19-2017, 10:24 PM
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#1 |
 Drives: RS Join Date: Oct 2017
Location: Nebraska
Posts: 44
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NPP Sport Mode Stops after take off?
After I get to cruising the dual mode exhaust switches to Touring and gets quiet ( even tho the mode is still on Sport). If I slow down and cruise at 25 mph it no longer stays in sport mode.
If I stop and take off again, it starts loud again but same things happens. Is there a way to keep it on Sport mode? |
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10-19-2017, 10:41 PM
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#2 |
 
Drives: 2016 Camaro 2SS Join Date: Jun 2016
Location: Central California
Posts: 74
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Yes, pop open your hood and pull out fuse 51. This will keep the dual mode exhaust flaps open all the time.
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10-20-2017, 09:32 AM
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#3 | |
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Drives: 2017 Camaro SS 50th Join Date: Nov 2016
Location: Iowa
Posts: 91
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10-20-2017, 09:48 AM
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#4 |
 
Drives: 16' 2SS, 06' Silverado SS Join Date: Jul 2017
Location: Columbus, OH
Posts: 345
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are you referring to the exhaust sound specifically? or the actual sport and tour modes... I know my fuse is pulled (fuse 51 if I remember correctly) but if you accelerate you get the deep sound but once your up to speed the engine will go quiet..
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10-20-2017, 02:50 PM
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#5 |
Drives: 2017 1SS NPP A8 Join Date: Aug 2014
Location: Tennessee
Posts: 15
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It's because the motor went to V4 mode when you got up to speed. It switches from V8 to V4 when it doesn't need a lot of power and it's much quieter.
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10-20-2017, 03:18 PM
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#6 |
 Drives: 2017 2SS, M6, HBM Join Date: May 2017
Location: Wa
Posts: 108
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Only for the auto trans guys. Mine gets quieter during cruise as well and I don't have AFM.
__________________
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10-20-2017, 03:20 PM
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#7 | |
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Drives: RS Join Date: Oct 2017
Location: Nebraska
Posts: 44
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10-20-2017, 03:26 PM
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#8 | |
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Snackbar Tuning
Drives: 2023 SGM ZL1 Join Date: Oct 2016
Location: Florida
Posts: 1,520
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Quote:
You can negate this action by pulling fuse #51 as mentioned above. This will disable all of that and your exhaust will be in track mode 100% of the time. However, if you have an Auto the AFM will still quiet it down some in V4 mode. |
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10-20-2017, 05:46 PM
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#9 | ||
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Lethal Camaro
Drives: 16 2SS, 71 Std, Suburban RTS Join Date: Jun 2013
Location: Temecula, CA
Posts: 3,855
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Quote:
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10-25-2017, 02:11 PM
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#10 | |
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Drives: 16' 2SS, 06' Silverado SS Join Date: Jul 2017
Location: Columbus, OH
Posts: 345
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Quote:
yeah that would be the car going into v4 mode. happens with my 17 Silverado too. |
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