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04-14-2017, 10:37 AM
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#1 |
 Drives: 2017 Camaro 2SS Join Date: Apr 2017
Location: New Jersey
Posts: 3
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Gen 6 Npp exhaust problem
Hey everyone I got a new 2017 SS camaro with the dual exhaust npp, this might be a newb question so apologizing at the start lol. I tried searching in many places and even people that have it but I am the only one I see that is having a problem with it. The exhaust has 4 tips but for some reason it is only blowing out the two outside tips and wondering why it would be doing this. The exhaust looks really bad having the two outsides blackened while the inside two are brand new and shiny. So my question is why is this happening?
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04-14-2017, 10:40 AM
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#2 |
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#becauseracecar
Drives: 2016 SS Sedan, 2016 Camaro SS Join Date: May 2015
Location: Phoenix
Posts: 2,959
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Normal. When the NPP is in track or sport mode it opens access to the outside tips which effectively bypasses the muffler so most exhaust will be routed through them.
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04-14-2017, 10:46 AM
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#3 |
     Drives: 2017 1SS/1LE Join Date: Sep 2016
Location: FL Panhandle
Posts: 1,559
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04-14-2017, 10:47 AM
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#4 | |
 Drives: 2014 LS Join Date: Nov 2016
Location: Virginia
Posts: 143
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Quote:
 Sent from my SM-N920P using Tapatalk |
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04-14-2017, 10:54 AM
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#5 |
   Drives: 17 Camaro SS 1LE & 16 Sierra AT CC Join Date: Nov 2016
Location: Norman, OK
Posts: 2,424
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Man, that lets you see just how chocked down the system is. When the plate closes all the exhaust is bled off thru those holes just inside the muffler on the inlet pipe and then bleeds over into the center chamber to route out thru the 2 inner exhaust tips.
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04-14-2017, 10:59 AM
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#6 |
  
Drives: 2017 Camaro ZL1 Coupe Join Date: May 2016
Location: Georgia
Posts: 5,813
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Mine stays black all the time. I pulled the fuse and set it in Track mode. I like it better this way!
__________________
ZL1 Coupe, PDR, Exposed carbon fiber hood insert, My Link with Nav, M6 6 speed and Silver Ice Metallic. Mods done: ceramic window tint, GM Accessories Camaro floor mats and Roto-Fab CAI.
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04-14-2017, 11:02 AM
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#7 | |
Drives: S O L D Join Date: Aug 2016
Location: Ontario
Posts: 2,106
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Quote:
__________________
Club F1FTY
2017 2SS 50th Anniversary Convertible Borla S-Type exhaust NPP| GM CAI | Color matched GM side skirts | Color matched 3rd brake light | Big Worm Graphics smoked out tail lights & rear reflectors | Oracle ghosted side markers | LED License plate bulbs | Door striker covers | Jam handle | Engine emblems from RiverCity Creations | 50th Center Console | Black bow ties | Hawk Performance ceramic brake pads | ZL1 Start button | CQuartz ceramic paint finish | Novistretch bra | S O L D |
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04-14-2017, 11:31 AM
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#8 |
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Drives: 2017 Camaro 2SS Join Date: Apr 2017
Location: New Jersey
Posts: 3
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So what you guys are saying pretty much is that's suppose to happen and to fix it run it in touring mode to get the inside tips to burn so it doesn't look like I have a fake 4 tip exhaust ?
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04-14-2017, 11:37 AM
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#9 | |
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Drives: 17 Camaro SS 1LE & 16 Sierra AT CC Join Date: Nov 2016
Location: Norman, OK
Posts: 2,424
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Quote:
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04-14-2017, 11:55 AM
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#10 |
Drives: 2019 ZL-1 Join Date: Feb 2009
Location: Troy, MI & Naples, FL
Posts: 2,019
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Normal, it starts up with valves open and they close. Open with more throttle....
__________________
2019 ZL-1 Acquired 4/23/21 at 6300 miles. Riverside Blue, A10, PDR. Traded in 2017 2SS with 6M and 32k miles. Continental Extreme Contact Sports. Now has 10,000 miles...
2012 Yukon XL Denali w/ 6.2 AWD |
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04-14-2017, 11:58 AM
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#11 |
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雪の玉
Drives: '22 Z71 RST Silverado Join Date: Feb 2011
Location: South
Posts: 3,415
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That's all normal for NPP exhausts in Sport and/or Track mode. Enjoy
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04-14-2017, 12:16 PM
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#12 |
 
Drives: '17 1LT RS V6 6M NPP Join Date: Apr 2016
Location: Rochester, MI
Posts: 449
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I keep a rag in my trunk and wipe them out once a week or so. No big deal.
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04-14-2017, 12:21 PM
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#13 |
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Drives: 2017 Camaro 2SS Join Date: Apr 2017
Location: New Jersey
Posts: 3
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Thanks a lot everyone! I just can't stand how it looks lol but I guess I'll get a new exhaust any recommendations ?
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04-14-2017, 12:41 PM
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#14 | |
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Drives: 2016 Camaro 2SS A8 Join Date: Dec 2015
Location: Charlotte, NC
Posts: 161
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Quote:
Since you already have the NPP, I would recommend getting a system that keeps that functionality. I'm glad I did. Your sound levels will definitely increase with a new system and you may want to have the ability to quiet it down from time to time. The best thing to do is start searching for exhaust videos on youtube and just start listening. Every company that makes exhaust kits have their own distinct sound. Here are the most popular brands to name few: Borla Corsa Stainless Works Magnaflow Hooker Flowmaster Afe Power |
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