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#1 |
![]() Drives: triple black 2ss Join Date: Sep 2014
Location: kansas city
Posts: 66
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My searching sucks...so what is this vac gate in my mufflers?
I have a 2014 i picked up on 420.lol. 6spd 2ss and has dual outlet mufflers. Mufflers have vaccum activated cutoffs on the actual mufflers.
Is this some factory stuff or wth is it? Mufflers dont have a name to them either. |
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#2 |
![]() ![]() ![]() ![]() Drives: 2011 2SS Join Date: Mar 2015
Location: Arlington, Texas
Posts: 1,333
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Those are OEM NPP dual mode mufflers. They’re vacuum actuated like you said. If you want them to be loud all the time and never close you can pull fuse f8 in the trunk fuse box. DIY on that is here
https://www.camaro5.com/forums/showthread.php?t=268970 If you want to be able to manually control them, you have a few options. There is the mild to wild which allows them to be either open or factory operation, or you can get the forza three way exhaust controller which allows them to be open, closed, or operate normally. Mild to wild: https://www.phastekperformance.com/2...er-mtw-zl1.htm Forza controller: http://forzacomponenti.com/controller_e2.html Hope this helps
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2011 SS L99
LSA Supercharger, BTR Stage 3 PDS Cam, Yank 3200SS, Weapon X Stage 2 intake, LSA Heads, Flex Fuel, Ported throttle body, Speed Engineering Headers, NOWEEDS, ZL1 fuel pump, DSX AUX Pump, ID-1050X injectors, 3” pipe to NPP mufflers, 3.91 gears |
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#3 |
![]() Drives: triple black 2ss Join Date: Sep 2014
Location: kansas city
Posts: 66
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Thanks man. I figured it was some stock bs. As nobody would want to add that goofy vac stuff along the car. That is crazy.
I just wanna pull the mufflers and put some magnaflo or dynomax in their place and keep the similar twin tip look to it. This is just a cruiser toy anyways. But its still needing to sound amazing for sure. |
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#4 |
![]() ![]() ![]() ![]() Drives: 2011 2SS Join Date: Mar 2015
Location: Arlington, Texas
Posts: 1,333
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Throw some long tubes on there, that’ll change your mind about swapping mufflers. The npp’s sound awesome with long tunes. I had flownaster outlaws on and when I did the headers it was too loud so I put the npp mufflers on and it sounds amazing.
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2011 SS L99
LSA Supercharger, BTR Stage 3 PDS Cam, Yank 3200SS, Weapon X Stage 2 intake, LSA Heads, Flex Fuel, Ported throttle body, Speed Engineering Headers, NOWEEDS, ZL1 fuel pump, DSX AUX Pump, ID-1050X injectors, 3” pipe to NPP mufflers, 3.91 gears |
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#5 | |
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Account Suspended
Drives: 2013 Sparkly Red One Join Date: Dec 2018
Location: Hospitality State
Posts: 2,558
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Quote:
I added that goofy vac stuff along my car and programmed the remote control to my Homelink buttons. I can open and close at will. |
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#6 | |
![]() ![]() ![]() ![]() Drives: 2011 2SS Join Date: Mar 2015
Location: Arlington, Texas
Posts: 1,333
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Quote:
Haha I did something similar. I put a vacuum pump in my trunk so I could open and close the mufflers
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2011 SS L99
LSA Supercharger, BTR Stage 3 PDS Cam, Yank 3200SS, Weapon X Stage 2 intake, LSA Heads, Flex Fuel, Ported throttle body, Speed Engineering Headers, NOWEEDS, ZL1 fuel pump, DSX AUX Pump, ID-1050X injectors, 3” pipe to NPP mufflers, 3.91 gears |
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#7 |
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old school chevy rodder
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GO ahead turbo pull it and sell it its only a $900 option a moron would hate on since it comes from a corvette..... oh yes and the new model of Camaro has the same function but with electrical controller as like the corvette; its called dual mode performance exhaust if your not built though you most likely don't appreciate what some of us paid good money for as a option. I guarantee you the aftermarket muffler guys wish theirs sounded like mine, and they make excellent decel popping and burble with a built tuned car...…
And many people over time have added and even designed the "goofy vacuum stuff" to work since it does work apparently much better for some of us than you and your opinion, of course some of us did not just buy our car, and some of us may be on not even our first gen 5 SS. And my first a triple black vert l99 sure could have used a better exhaust like the dual mode...… But still would have needed to be built.
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2021 Wild Cherry ZL1 A10, Sunroof, Data,Red Carbon Interior, Nav, RotoFab Big Gulp , Elite x2ultra, Borla ATAK, Driveshaft shop, BMR susp, Speed covers, intercoolers, ATI , 2650 MAG, DSX lid, 103 NW, TSP Longtubes & cats, LPE, 1le mods, ,LME cover, Katech pump and chain, Trunnions, BTR stage 2, LPE boostapump, Gforce, Speed eng , Granetteli, etc etc
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#8 | |
![]() Drives: triple black 2ss Join Date: Sep 2014
Location: kansas city
Posts: 66
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Quote:
I got this camaro to drive when i want to pull gears. It has been fun so far and it has gotten a few compliments on the exhaust note even. Im just not a fan of that burgling but the rest is fine. Maybe ill get used to it. After i dont intend to mod it much. Maybe some better control arms in the back, better shifter and throwout bearing over winter. Kinda wanna do some road course stuff to pass time on an off weekend im not drag racing. Sure do wanna add a cowl hood to remove that center vent and add white stripes on the hood. |
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#9 | |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Drives: 13' 1LE Join Date: Apr 2012
Location: Canada
Posts: 2,653
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Quote:
You have much to learn/read.
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13' 1LE
Old setup: TSP 231-236/Tick 660/.105 PR, UDP, SW LT 2'' & HFC, stock NPP & H pipe, VR-DRX CAI, air scoop, Goertz1 manifold, 102mm BBK, 26" Toyo DRs, Forgestars R17x10 & F18x8, rear seat delete, remote Pat G tune Autocal, 7400 limiter, Spec Mini Twin. 91oct. 11.90@122.3, 0-60ft 2.0 / 11.99@123.6, 0-60ft 2.1 DA+819 ...519RWHP SAE Solid roller SBE LS3, FED, LLSR, 91oct, 605rwhp N/A. Tuned by Pat G. Build by me. |
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#10 |
![]() ![]() Drives: 2014 2SS/RS Join Date: Jan 2018
Location: Washington
Posts: 848
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NPP flow is better than most if not all replacement mufflers. A lot of Camaro owners that dont have it wish they did. I like being able to shut mine down or open it up with the flip of a switch. Do some more research before you dismiss it as some BS
Sent from my SM-N960U using Tapatalk
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2014 2SS/RS LS3/M6
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#11 |
![]() ![]() ![]() ![]() Drives: 2010 Camaro 2SS Victory Red 6M Join Date: Apr 2015
Location: Gulf Coast, TX
Posts: 1,424
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That burble you dislike will be even more prevalent on other mufflers like the ones you listed. The NPP (wish I had it....) is basically the best of both worlds. Loud when wanted, stealthy when not. If you're set against it, then sell the whole system and replace it with a c/b system. Don't be ghetto and just chop it up. There's tons of people who'd buy the system for a very fair price indeed.
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2011 2SS 6A Red Jewel Metallic, Vararam Tune CAI, Magnaflow 3" Competition c/b, Speed Engineering 1-7/8 LT's, Circle D 5C, M/T 275/40R20 S/S, HPTuners tune by Ryan@GPI
12.3 @ 112 ACM as of 12/22/19 Gone on 12/28/19 R I P 2010 2SS 6M Victory Red/Black (old ride) CAI intake, Speed Engineering 1 7/8" LT's, X4 base tune, Flowmaster Outlaw axle-back. 12.6 @ 115 SAR as of 9/19/15 Gone but never forgotten. |
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#12 | |
![]() Drives: triple black 2ss Join Date: Sep 2014
Location: kansas city
Posts: 66
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Quote:
I am honestly not trying to troll if it seems that way. I have a different car and brand im wrapping its build up on this month. Ive always had turbo cars with magnaflo mufflers. So that burble wasnt there. Im glad i dont have to change the exhaust out if they flow that well. Ill just leave it as is. Maybe just work on the suspension for handling and do some road course trips 1ce or twice a year. |
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#13 |
![]() Drives: 2015 2ss Join Date: Jun 2009
Location: .
Posts: 645
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before you decide to sell this exhaust, look up "NPP fuse pull" which will bypass the valves and make your exhaust "loud" all the time. you won't be disappointed.
https://www.camaro5.com/forums/showthread.php?t=268970 |
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#14 | |
![]() Drives: triple black 2ss Join Date: Sep 2014
Location: kansas city
Posts: 66
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