Do you have a decibel level estimate as far as the magnitude of the change inside the car? I had been considering the FSWerks stealth, but if it suddenly starts to drone on at 2600-3000 (70-80 ish) or basically freeway speeds after 10 months then that might just knock it off the list.
Is the car excessively loud now inside at those speeds. I know you have a 5MT and I have the DCT, but that shouldn't affect the engine note at a given engine speed.
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