Quote:
Originally Posted by BSR-1
Haven't driven one.
I hadn't thought of the "sound" drawback that others mentioned. I suppose that could be annoying.
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They addressed that issue with this particular car involving the exhaust tone while afm is active.
The standard exhaust improves airflow by 13 percent — GM says — and uses a pair of butterfly valves to adjust the sound when the cylinder deactivation system is in V4 mode.