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Old 06-01-2019, 10:50 PM   #1
Bow94z
 
Drives: 2015 Camaro 2SS/RS
Join Date: Jan 2007
Location: Philadelphia
Posts: 78
LS3 - Magnaflow resonated X vs Stock resonators?

Seeking opinions for next exhaust mod as I have a few options.
NPP mufflers are next, but looking to modify the mid section. I don’t mind my current setup, but certainly looking for a little more volume and tone. Is it worth replacing factory resonators with magnaflow resonated X?
Also thought about swapping H for Tru X while leaving factory resonators. See below and talk me into an option listed.

Also need everything to make the NPP functional. Would like to control it. Mild2wild, forza. Which is easier?

Current setup:
2015 LS3/6spd
Kooks LT/HFC
Factory H
Factory resonators
“jerry can” mufflers

Option 1
LT/HFC
Factory H
Factory resonators
NPP Mufflers

Option 2
LT/HFC
Magnaflow TRU X
Factory resonators
NPP axle-back

Option 3
LT/HFC
Magnaflow resonated X (Remove Factory resonators)
NPP Mufflers

Option 4 (might be too loud/drone?)
LT/HFC
Magnaflow TRU X
NO Resonators
NPP Mufflers

Thanks All!
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Last edited by Bow94z; 06-01-2019 at 11:07 PM.
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Old 06-01-2019, 11:13 PM   #2
rontammy0
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Drives: 2011 2SS/ RS INFERNO ORANGE L99
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I did the resonated x pipe on my last set up. It had good base but killed volume. I think the tru x option 3 is the best.
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Old 06-01-2019, 11:34 PM   #3
Dbunch9
 
Drives: 2010 Camaro 2SS
Join Date: Aug 2016
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I have long tubes, no cats, x pipe, npp stuck open and a cammed motor. I like how the npp idles a lot louder than my borla s type so i could hear the cam idle more and the sound of the npp is the best sound in my opinion. It is pretty loud full throttle but i bet with high flow cats it would tone it down just a bit and sound great. I say get most open mid section you can and with the cats and functioning npp it wouldn't be overwhelmingly loud with it open and plenty quiet with the mufflers closed.
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Old 06-02-2019, 10:42 AM   #4
VR Baron
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May not be much help, but with shorty headers, hiflows and outlaw axleback, the resonated x pipe killed volume by about 30%, but did not help with the bad drone of the outlaws. Only adding j pipes did the drone get eliminated
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Old 06-02-2019, 06:45 PM   #5
QUICRNU

 
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Option 2.

Resonated X is quiet, tru X I liked alot.
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