Quote:
Originally Posted by CeeTeeX5
Quote:
Originally Posted by sbinshihon
Louder exhaust sound, those flaps control the exhaust sound.
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Is that the only thing that they control? Wouldn't the flap also determine level of backpressure from the exhaust with possible impact to performance? |
Yes, but that was a quick answer for a nob question. People try to open it for sound as far as I know.