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90503 · 05-19-2015, 09:48 PM

...And from the GM press release....:

Each engine has been carefully tuned for a distinctive performance sound. All 2.0L turbo models feature active noise cancellation, which uses sound waves to cancel unwanted cabin noise. Models equipped with the available Bose audio system also feature engine sound enhancement, which amplifies the native sounds of the 2.0L turbo engine – and can be disabled based on the driver’s preference.

Both the 3.6L V-6 and 6.2L V-8 feature mechanical sound enhancers – resonators that direct induction noise from the engine bay into the cabin. Both engines are available with a dual-mode exhaust, which features electronically controlled valves that bypass the mufflers under acceleration, delivering improved performance and greater sound levels. With the dual-mode exhaust, drivers can personalize the exhaust sound, from a “stealth” mode to the most aggressive “track” mode.

05-19-2015, 09:48 PM	#7
90503 Drives: 2011 2SS/RS LS3 Join Date: Nov 2011 Location: Torrance Posts: 14,578	...And from the GM press release....: Each engine has been carefully tuned for a distinctive performance sound. All 2.0L turbo models feature active noise cancellation, which uses sound waves to cancel unwanted cabin noise. Models equipped with the available Bose audio system also feature engine sound enhancement, which amplifies the native sounds of the 2.0L turbo engine – and can be disabled based on the driver’s preference. Both the 3.6L V-6 and 6.2L V-8 feature mechanical sound enhancers – resonators that direct induction noise from the engine bay into the cabin. Both engines are available with a dual-mode exhaust, which features electronically controlled valves that bypass the mufflers under acceleration, delivering improved performance and greater sound levels. With the dual-mode exhaust, drivers can personalize the exhaust sound, from a “stealth” mode to the most aggressive “track” mode.