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12-22-2022, 09:41 AM
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#1 |
 
Drives: 2023 Camaro 2SS Convertible Join Date: Jan 2022
Location: Virginia, USA
Posts: 7
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Difference in exhaust sound between A10 and M6?
I recently traded my '21 A10 SS for a new custom '23 M6 SS, and I've noticed a significant difference in the exhaust sound between the two.
The '21 had a much higher-pitched "braaap" under acceleration, and the '23 has a deeper, rumblier sound that is much nicer. It's a lot closer to the sound of my old '14 M6 SS. I was actually really surprised (and pleased) at the difference, because they're both second-flight 6th-gens, both with NPP, so the actual engine and exhaust systems I would have expected to be identical between them. Does which transmission is in there make any difference from an exhaust sound perspective? The only difference I can think of is there's no AFM in the M6, but I wouldn't expect that to make a difference when you're accelerating in V8 mode. Did I just luck out with this '23 and get one that's deeper than normal, or was my '21 an outlier with it's ricer-fartpipe sound?
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2023 2SS Black/Adrenaline M6 Vert
 Previous: 2021 2SS Blue/Gray A10 Vert 2014 2SS Black/Black M6 Coupe 1989 IROC Dark Red |
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12-22-2022, 09:45 AM
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#2 |
 
Drives: 91 Z28 (x2), 92 Z28, 20 TrailBoss Join Date: Oct 2009
Location: Gray, TN
Posts: 51
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I would say it is different loads on the engine. I converted one of my 91 Z28s from automatic to manual many years ago and the exhaust note changed significantly. It did not even sound like the same car under acceleration.
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2023 2SS 1LE Radiant Red
1100 10/28/22 3000 11/22/22 TPW 12/19 3400 12/14/22 TPW 12/19 3800 01/12/23 4150 01/17/23 4200 1/30/23 5000,6000 1/31/23 1991 Z28 Brilliant Red Metallic 1991 Z28 Arctic White 1992 Z28 Bright Red 2020 Trail Boss LT 6.2 Satin Steel Metallic 2007 Cobalt SS/SC Laser Blue Metallic |
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12-22-2022, 10:08 AM
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#3 |
  
Drives: 2021 LT1 6spd Join Date: Nov 2020
Location: Arlington, VA
Posts: 767
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The m6 burbles more than the a10, makes it sound more hot roddy, if you will. You have more control though, so driving choices can entirely eliminate it if you so desire.
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Current: 2021 LT1 Camaro, 6spd, Crush, Corsa NPP, GMPP CAI, Soler Performance Throttle controller
Previous: 1997 V6 Camaro, 5spd, Black |
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12-22-2022, 10:09 AM
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#4 | |
 Drives: 2020 LT1 M6 Join Date: Jan 2016
Location: South, the DEEP south
Posts: 1,114
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Quote:
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[SBE] ECS NOVI 1500 supercharger, 2" Longtube headers, flex fuel, LT4 injectors, LT4 HPFP, baro breakout
Tune date and results to be determined |
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12-22-2022, 11:33 AM
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#5 |
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Drives: 2023 Camaro 2SS Convertible Join Date: Jan 2022
Location: Virginia, USA
Posts: 7
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That all makes sense. I even notice a difference at idle, though, so I didn't think load was the only factor.
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2023 2SS Black/Adrenaline M6 Vert
Previous: 2021 2SS Blue/Gray A10 Vert 2014 2SS Black/Black M6 Coupe 1989 IROC Dark Red |
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12-22-2022, 11:33 AM
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#6 |
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Banned
Drives: 2018 Camaro SS1 1LE Join Date: Feb 2017
Location: Georgia
Posts: 1,595
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I noticed the change when I went from an A8 to a M6.
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