01-03-2016, 06:33 AM | #1 |
Drives: 2016 CAMARO SS2 Join Date: Aug 2015
Location: Grand Haven, Michigan
Posts: 167
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Removing NPP fuse
Anyone tried doing this yet?
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01-03-2016, 08:10 AM | #2 |
Drives: 2013 Camaro convertible 2SS/RS Join Date: Sep 2014
Location: Southern NH
Posts: 1,077
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Why
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01-03-2016, 09:05 AM | #3 |
#becauseracecar
Drives: 2016 SS Sedan, 2016 Camaro SS Join Date: May 2015
Location: Phoenix
Posts: 2,959
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Yes, people have and it supposedly does not throw codes and does allow it to stay open all the time.
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01-03-2016, 09:23 AM | #4 |
Retired from Car mfrs....
Drives: 2LT RS/HR-V Join Date: May 2013
Location: /Fort Lauderdale
Posts: 10,048
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and at least one person here put it back because at certain ranges it sounds weak, go ahead and do it, it cause no ill effects...
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01-03-2016, 09:32 AM | #5 |
Drives: 2013 Camaro convertible 2SS/RS Join Date: Sep 2014
Location: Southern NH
Posts: 1,077
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01-03-2016, 09:35 AM | #6 |
Retired from Car mfrs....
Drives: 2LT RS/HR-V Join Date: May 2013
Location: /Fort Lauderdale
Posts: 10,048
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no, the valves still close at interstate speed in EVERY mode....
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01-03-2016, 10:25 AM | #7 |
マスタング = 遅い
Drives: 2017 Chevrolet Camaro SS 1LE Join Date: Aug 2015
Location: Florida
Posts: 7,061
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If you have an auto and pull the fuse it may sound like poop when the AFM kicks on.
The manual doesnt have AFM, so it shouldn't do that, but it may drone... |
01-03-2016, 11:53 AM | #8 |
Drives: 2016 camaro ss Join Date: Oct 2010
Location: Spring, TX
Posts: 1,127
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No this is incorrect. Pulling fuse 51 does not interfere with the afm valves further upstream. The afm valves still close in v4 mode making the car dead silent in v4 mode, even with the rear valves open
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2016 camaro 2SS hyper blue/Kalahari, A8, MRC, NPP, sunroof, SW headers through axleback, Circle D 3600rpm TC, Pray ported IM/TB, E85
Sold: 2002 Z28, NBM, M6, 460rwhp, 2009 HHR SS RIP : 2002 WS6 Black, A4, 355rwhp |
01-03-2016, 12:18 PM | #9 |
マスタング = 遅い
Drives: 2017 Chevrolet Camaro SS 1LE Join Date: Aug 2015
Location: Florida
Posts: 7,061
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Humm, I wonder why they would have the exhaust close then. Must be a drone thing then...
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01-03-2016, 01:20 PM | #10 |
Drives: 2016 camaro ss Join Date: Oct 2010
Location: Spring, TX
Posts: 1,127
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I'm not quite sure. I was told it was to raise back pressure in v4 mode but maybe it's just to keep it quiet and from sounding bad? There's another fuse for those afm valves if you want to keep them open but it will set the SES light
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2016 camaro 2SS hyper blue/Kalahari, A8, MRC, NPP, sunroof, SW headers through axleback, Circle D 3600rpm TC, Pray ported IM/TB, E85
Sold: 2002 Z28, NBM, M6, 460rwhp, 2009 HHR SS RIP : 2002 WS6 Black, A4, 355rwhp Last edited by jimmypop13; 01-03-2016 at 01:41 PM. |
01-03-2016, 02:00 PM | #11 |
Drives: 2013 2ss moon roof black on black Join Date: May 2013
Location: ca
Posts: 7
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We install the quads on my son's 2014 rs (paid close to 3k including new diffuser) the car don't have the electronic system to run the valves so they are open all the time but only the 2 outside pipe getting dirty
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01-03-2016, 02:12 PM | #12 |
Drives: 2016 camaro ss Join Date: Oct 2010
Location: Spring, TX
Posts: 1,127
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Yeah bc that's the path of least resistance. We are talking about the 2016 NPP system here, not 2014-2015
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2016 camaro 2SS hyper blue/Kalahari, A8, MRC, NPP, sunroof, SW headers through axleback, Circle D 3600rpm TC, Pray ported IM/TB, E85
Sold: 2002 Z28, NBM, M6, 460rwhp, 2009 HHR SS RIP : 2002 WS6 Black, A4, 355rwhp |
01-03-2016, 04:03 PM | #13 |
Drives: 15' C7, 10' Camaro, 02' Camaro Join Date: Oct 2011
Location: Pompano Beach
Posts: 35
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i have my fuse pulled, it sounds great with the ARH headers and no cats, even when the AFM kicks in its not bad
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01-03-2016, 11:14 PM | #14 |
Drives: 2020 Elkhart Lake Blue 1LT Z51 C8 Join Date: May 2009
Location: Minooka, IL
Posts: 621
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Pull fuse, put the Range in your OBDII port, valve is always open, and you will be on 8 cylinders all the time.
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Ordered-Hyper Blue 1SS, A8, NPP, 56W wheels Built 1/20/16
Delivered 2/12/16!! Sold 9/17/19 :( 2020 C8 ordered!! "The greatest sound in the world is a Rolls Royce Merlin over 100 inches" www.timadamsphotography.com |
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