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09-12-2017, 01:19 AM
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#1 |
      Drives: 2011 Camaro LS Join Date: Sep 2008
Location: NJ
Posts: 1,917
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NPP exhaust on a 2010 SS
Looking for a new exhaust and someone is selling an NPP one so I was looking to get it but didn't realize I'd have to also set up a vacuum system to open/close the exhaust. Anyone run the exhaust fully open all the time? Is there a lot of drone? I have an MRT on my other Camaro before itgot totaled and it was a bit droney in lower rpms. I want something fairly loud and noticeable but not incredibly drone while cruising or in slow speeds. It's tough looking for exhausts and only going by YouTube videos.
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09-12-2017, 02:02 AM
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#2 |
  
Drives: Savitar; The 500rwhp N/A Monster! Join Date: Aug 2016
Location: Middletown, Ohio
Posts: 2,914
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I ran it for a while, never hooked up the vacuum so the valves were open all the time. Didn't notice any drone, was actually too quiet for my taste.
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*SOLD*504HP/433TQ | Night Fury cammed Cold Air Inductions intake Bo White ported TB Speed Engineering 1 7/8 longtubes NPP catback QTP low profile cutouts Powerbond 25% UDP 3.73 gears JRE scoop ZL1 grille R1 Concepts drilled/slotted rotors built/tuned by Weapon X Motorsports
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09-12-2017, 10:10 AM
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#3 | |
Drives: Ashen grey, 1SS, L99 Join Date: Aug 2016
Location: Oklahoma
Posts: 526
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Quote:
Op to me it's plenty loud and I run it open full time.
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Roto-fab CAI, Nick Williams 102mm TB, LOD X1 V3 intake manifold, GMPP LS3 heads, Night Fury cam, TSP 2 long tubes, Corsa ZL-1 catback, Nitrous Outlet 102mm plate kit/150 shot, NGK BR7EF plugs with Taylor plug wires, DSX flex fuel kit, ZL-1 fuel pump and injectors, B&M deep trans pan, Yank 3400 converter, 3.45s with BMR Delrin bushings, mishimoto 169° Thermostat, GM ground effects, T-Rex upper grill, Z/28 Spoiler, Lolly pop Lime brake calipers, ZL1 10 spoke wheels, 12 subwoofer, and custom paint matched interior.
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09-12-2017, 01:16 PM
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#4 |
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Drives: 2011 Camaro LS Join Date: Sep 2008
Location: NJ
Posts: 1,917
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Thanks guys.
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09-12-2017, 06:13 PM
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#5 |
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old school chevy rodder
Drives: 2013 2SS/RS Manual,DM exhaust,CRT Join Date: Jul 2012
Location: Oregon
Posts: 5,587
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I run full open all the time and drone would only be a very small section of any sound during a small section of a rpm band I guess I just don t use much...even with headers HFC stroked cammed and all that, its usually music to my ears.....NPP Heck I farted around and made a video on my cheap old 60$ camera because my sony needed charged..LOL its in a post that's moved to this section but its got so much damn wind sound its crappy for the sound..LOL
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 2021 Wild Cherry ZL1 A10, Sunroof, Data, Carbon, Nav, RotoFab Dry CAI, Elite x2, Borla ATK, Driveshaft shop |
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09-12-2017, 06:52 PM
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#6 | |
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Drives: Savitar; The 500rwhp N/A Monster! Join Date: Aug 2016
Location: Middletown, Ohio
Posts: 2,914
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Quote:
 if it ain't waking the dead, it ain't for me!
__________________
*SOLD*504HP/433TQ | Night Fury cammed Cold Air Inductions intake Bo White ported TB Speed Engineering 1 7/8 longtubes NPP catback QTP low profile cutouts Powerbond 25% UDP 3.73 gears JRE scoop ZL1 grille R1 Concepts drilled/slotted rotors built/tuned by Weapon X Motorsports
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