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Exhaust Note difference between L99 and LS3?
I know it is hard to describe sound but for those that have heard both, what is the exhaust note difference going to be between the L99 and LS3 at startup and idle? Obviously once AFM kicks in and the engine is running at 4 cylinders, the exhaust note changes, however is there much of a difference between the two in the other area's considering it is practically the same engine? I saw those pictures of Scott and the team with the headphones on so he might be the only one in this forum who can answer this.
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