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Old 08-21-2016, 10:51 AM   #1
lechess
 
Drives: LS3
Join Date: Jun 2015
Location: san antonio
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LT headers and cross sport exhaust..

I installed my LT headers yesterday. I already had the crosa sport cat back. I have to say wow it is obnoxiously loud. Is it because I do not have CATS? I went for the off road pipes. Will high flow CATS quiet it down some or will it change the tone of it? When i had stock manifolds and CATS the corsa exhaust had a better tone but was way to quiet.

Last edited by lechess; 08-21-2016 at 12:48 PM.
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Old 08-21-2016, 12:01 PM   #2
2010reddevil

 
Drives: 2010 Camaro 2SS Victory Red 6M
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Corsa is end of the world loud outside with no cats. Drone shouldn't be too bad inside but outside, it will sound like the end of the world.
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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
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2010 2SS 6M Victory Red/Black (old ride)
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Old 08-21-2016, 12:49 PM   #3
lechess
 
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Haha yea it Is actually quiet driving down the freeway. I get a lot of pops and crackles.
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Old 08-21-2016, 03:53 PM   #4
JusticePete
 
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Cats will take the edge off the sound.
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Old 08-22-2016, 02:10 PM   #5
Firefighter


 
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A resonated X to replace the H-pipe will help too. I have cats and the x to tame mine down.
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