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04-16-2017, 08:39 PM
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#1 |
 Drives: 2017 Red Camaro SS Join Date: Apr 2017
Location: orange county
Posts: 3
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How to get a louder npp?
I'm thinking about muffler delete but that is my last action because I don't want to lose power and have a laggy throttle response.
What are my options to get it louder but not lose the back pressure and power? |
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04-16-2017, 08:46 PM
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#2 |
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Snackbar Tuning
Drives: 2023 SGM ZL1 Join Date: Oct 2016
Location: Florida
Posts: 1,522
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Why do you think you will lose power and have a laggy throttle response? I'm not sure what you're asking?
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04-16-2017, 08:52 PM
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#3 |
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Scientific negotiator
Drives: 2019 Grand Sport Join Date: Mar 2017
Location: Forsyth, GA
Posts: 873
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Long tubes, x-pipe, tune. Enjoy the sound and added power, keep the ability to adjust the levels...
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2019 Grand Sport M7
2018 ZL1 1LE 6MT 2017 SS 1LE 6MT . Matthew 25:40 ΜΟΛΩΝ ΛΑβΕ |
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04-16-2017, 08:55 PM
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#4 |
      
Drives: 2019 Camaro 1LE Shock Candy Join Date: Mar 2016
Location: Garage
Posts: 1,798
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I dropped my suitcase stock muffler and added a "Y" pipe with one pipe on the inside hooked up to flowmater's 401 outlaw mufflers and the outside pipe free flowing. Kept the values and added the same tips that are on the 401 flowmasters muftlers. Very happy and my mod switch still works. Never noticed any reductions in power or lag in acceleration.
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LT4 1.7 Supercharger snout ported & 100% Meth
103 Katech TB, KATECH Custom Heads, DSX In-line fuel TSP Headers, Spec P Super Twin Clutch, TSP EL C7 CAM Diamond Piston & Manley Rods, Roto Fab Big Gulp BTR Push Rods,LS7 Lifters, ARP, FI Chiller, Kirkey Seats SJM Line Lock, Hurst Pistol Grip. 747/739 RWHP street tune - 821/794 RWHP track tune 101 octane. 2014 Mini Cooper countryman S All4 M6 daily driver |
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04-16-2017, 09:00 PM
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#5 |
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Drives: 17 SS a8 Join Date: Feb 2010
Location: omaha
Posts: 1,678
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No cats with open npp is damn loud.
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dropped a valve in the 6.2. now running a drop in rods and piston 5.3
best et 5.83@121 with the 5.3 http://www.camaro6.com/forums/showthread.php?t=465472 |
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04-16-2017, 09:44 PM
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#6 |
 Drives: 2017 Camaro 1SS 1LE Join Date: Jan 2017
Location: Plano, Texas
Posts: 267
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Do you guys think the borla atak NPP axleback will be a big improvement over the stock NPP sound?
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04-16-2017, 11:40 PM
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#7 | |
 
Drives: Hyper blue 1ss Join Date: Mar 2017
Location: Atlanta, GA
Posts: 52
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Quote:
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04-16-2017, 11:45 PM
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#8 |
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Drives: 2017 Camaro 1SS 1LE Join Date: Jan 2017
Location: Plano, Texas
Posts: 267
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Yes but all of those options will void my warranty and take me out of street classification in autocross. I'm not worried about power or else i wouldn't even be considering an axle back.
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04-17-2017, 12:59 AM
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#9 |
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Drives: 2017 Red Camaro SS Join Date: Apr 2017
Location: orange county
Posts: 3
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will I lose power and throttle response with deleting the muffler?
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04-17-2017, 01:00 AM
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#10 | |
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Drives: 2017 Red Camaro SS Join Date: Apr 2017
Location: orange county
Posts: 3
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Quote:
muffler delete |
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04-17-2017, 02:36 AM
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#11 |
 
Drives: 16 2SS Join Date: Jan 2016
Location: Ft Knox, ky
Posts: 199
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I've had this question as well. I'm about ready to pull the trigger On the Borla atak with npp valves and the Xpipe (about $2200). I'm really just wanting more volume. Not sure what route to go, and not having heard the Borla in person, not sure how much louder it would be.
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2/3/16 Ordered #TFKDC9
3/23/16 Took delivery! Hyper Blue 2SS, Jet black int, NPP, MRC, 6MT, 56V rims, NAV, Sunroof, Black Bow ties, painted engine cover, black tail lights and side markers, Lime green calipers, custom painted SS badges, Stillen body kit, Borla ATAK and Cat delete Xpipe |
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04-17-2017, 02:38 AM
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#12 |
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Drives: 16 2SS Join Date: Jan 2016
Location: Ft Knox, ky
Posts: 199
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Also to add to that last post... I was trying to avoid getting a tune, (not sure why, just feel like it would be a headache)... I do realize long tubes would be the best route for just sound. Ugh. Not sure what to do... $2200 is a lot for what could be just minimal difference.
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2/3/16 Ordered #TFKDC9
3/23/16 Took delivery! Hyper Blue 2SS, Jet black int, NPP, MRC, 6MT, 56V rims, NAV, Sunroof, Black Bow ties, painted engine cover, black tail lights and side markers, Lime green calipers, custom painted SS badges, Stillen body kit, Borla ATAK and Cat delete Xpipe |
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04-17-2017, 06:23 AM
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#13 |
Drives: 16 Red Hot 2SS Join Date: Oct 2016
Location: Orlando
Posts: 198
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If you're undecided on spending $2200 on an axle back, try the muffler delete for less money and see if you like it. If you don't, it's not much more money spent and you'll have to remove the suitcase anyway.
I did the muffler delete with two straight pipes going thru the NPP valves. It's still louder with the valves open but not all that loud on the highway, which is good. Sounds great at low speed and street speeds.
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'16 Red Hot 2SS A8 sunroof
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04-17-2017, 08:33 AM
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#14 | |
    
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Quote:
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Current: '17 2SS Hyper Blue, A8, MRC, NPP
Past: '99 SS Camaro A4, '73 Camaro 383 A3 "Voices in your head are not considered insider information." 3800 Status - 6/16/16 (Built!) 6000 status - 6/29/16 (Delivered!) |
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