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10-12-2020, 10:43 AM
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#1 |
  Drives: 2006 Z06 Join Date: Sep 2010
Location: DC area
Posts: 859
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Help, looking to quiet LT headers and cam
The SS 1LE I recently purchased is too loud for my local track. The build is a btr cam, 1 7/8” headers cat delete and the stock NPP exhaust., I’m looking to tone the car down some...not only is it too loud for the track but the crackling and burbling in the exhaust sounds about like gunshots. Anyways, I’m looking at kooks 12-19” race mufflers to add in front on the NPP exhaust.
Has anyone done this? Any other ideas? What’s the difference between resonators and mufflers. I found force resonators for the same price as the kooks mufflers.... |
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10-12-2020, 11:05 AM
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#2 |
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Darth Martel
Drives: Black 1SS with 20% tinted windows Join Date: May 2009
Location: Bizzaroland
Posts: 1,496
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Put some cats on it. Think that'll solve your problem
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2016 Black 1SS w/ MRC, low-gloss black wheels, auto trans. Self-created custom Dark Knight Edition accents. Rotofab CAI with dry filter and sound tube delete, PRAY ported intake manifold and throttle body, Texas Speed cam, Stainless Works headers and exhaust, Skid Mark garage E85 kit, JMS fuel pump voltage booster, Circle D torque converter. Custom E85/mod tune by Jannetty Racing.
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10-12-2020, 11:28 AM
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#3 |
   
Drives: 2016 2SS Convertible Join Date: May 2012
Location: St. Louis, MO
Posts: 1,710
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There are numerous threads on this topic. Here are a few. You might want to search for others.
https://www.camaro6.com/forums/showthread.php?t=573879 https://www.camaro6.com/forums/showthread.php?t=578934 |
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10-12-2020, 11:36 AM
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#4 |
     
Drives: 2016 1SS NFG A8 Join Date: Aug 2017
Location: 46804
Posts: 6,793
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Install some 16" resonators in the x pipe.
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2016 NFG 1SS A8
Options-2SS Leather/NPP Perf. mods-Whipple 2.9/Fuel System/Flex Fuel/103mm TB/Rotofab Big Gulp/Cat Deletes/Corsa NPP Per. times- 10.5 @ 137 w/ 1.8 60ft Full weight on 20's 1200DA |
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10-12-2020, 12:01 PM
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#5 |
Drives: E92 BMW M3 Join Date: Oct 2012
Location: Houston
Posts: 4,496
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Cats and AWE resonators.
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SOLD - 2013 1LE - Pat G Spec'd Cam, NPP with 1 7/8" Long Tube Headers with High Flow Cats, Intake w/scoop, Ported Throttle Body, and Apex 1.25" Lowering Springs.
J-Rod Built and Matt@FSP Tuned  |
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10-12-2020, 12:10 PM
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#6 | |
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Drives: 2006 Z06 Join Date: Sep 2010
Location: DC area
Posts: 859
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Quote:
What on earth are you paying for when kooks makes resonators for 60 bucks each. Again, anyone know the difference between a resonator and a kooks 4” diameter muffler? Anyone used the kooks or xforce resonators from summit? |
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10-12-2020, 12:11 PM
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#7 |
 Drives: 2019 SS Join Date: Apr 2020
Location: North Texas
Posts: 259
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Borla S type is so awesome.
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10-12-2020, 02:30 PM
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#8 | |
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Drives: E92 BMW M3 Join Date: Oct 2012
Location: Houston
Posts: 4,496
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Quote:
__________________
SOLD - 2013 1LE - Pat G Spec'd Cam, NPP with 1 7/8" Long Tube Headers with High Flow Cats, Intake w/scoop, Ported Throttle Body, and Apex 1.25" Lowering Springs.
J-Rod Built and Matt@FSP Tuned |
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10-12-2020, 02:33 PM
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#9 | |
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Drives: E92 BMW M3 Join Date: Oct 2012
Location: Houston
Posts: 4,496
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Quote:
If I were you, I would call Kooks and ask.
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SOLD - 2013 1LE - Pat G Spec'd Cam, NPP with 1 7/8" Long Tube Headers with High Flow Cats, Intake w/scoop, Ported Throttle Body, and Apex 1.25" Lowering Springs.
J-Rod Built and Matt@FSP Tuned |
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10-12-2020, 04:42 PM
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#10 | |
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Drives: 2006 Z06 Join Date: Sep 2010
Location: DC area
Posts: 859
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Quote:
And yea, Kooks couldn’t tell me much. They said it would quiet it down a little but all they wanted to do was sell me a full cat-back. Kooks has a 19” and a 14” round 4” muffler for 60 each...I’d say that should work as well as $450 Borla dual resonator.... |
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10-12-2020, 06:27 PM
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#11 |
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Drives: 6th gen Join Date: Aug 2013
Location: US
Posts: 3,670
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There’s a borla resonator for sale in the classifieds. I will be installing one this winter to see what it does
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‘22 2SS 1LE M6 Summit White - RF, Flexfuel, LT2 intake, 95mm tb, ATI udp, VT ramair, full 28” dragpack - 11.68@122
‘16 1SS M6 LT2 intake + boltons on DR 11.0@126+ (Sold) |
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10-12-2020, 08:03 PM
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#12 | |
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Drives: 2006 Z06 Join Date: Sep 2010
Location: DC area
Posts: 859
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Quote:
What Is a Resonator? While mufflers reduce the exhaust volume, resonators tune the exhaust for a more pleasant sound. Resonators will remove some of the raspy and high-pitched noises from the exhaust but won't do anything to muffle the volume My opinion is you almost need both with LTs and the NPP exhaust. TBD |
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10-12-2020, 08:59 PM
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#13 |
 Drives: 2018 chevy camaro ss 1le Join Date: Sep 2020
Location: charleston wv
Posts: 8
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This is what I am going to try on my ss 1le. Summit Racing® Exhaust Insert Cones SUM-629020.
I bought two of these but yet to install in the exhaust tips themselves. Once the three sided flange is cut off the cones they will go in the tips far enough to not be too visible and just a little spot weld to hold them in place(easily removed if wanted) Like is said. I have not installed mine yet and plan on doing the non-valve side first? The cone will clear the valve and allow it to operate. |
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10-12-2020, 09:00 PM
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#14 |
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Drives: 2018 chevy camaro ss 1le Join Date: Sep 2020
Location: charleston wv
Posts: 8
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Last edited by CHEM2010; 10-12-2020 at 09:02 PM. Reason: link did not work |
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