Quote:
Originally Posted by CruzySS
There is a noticeable difference. Yea it sounds the same as in track mode with the valves open but the valves don't close making the car louder even under light acceleration.
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This echoes my experience. In Track mode, the valves would close again unless I was giving it a lot of gas. Now they don't..it's pretty obvious. Well worth it, love the way my NPP sounds now.