06-20-2025, 12:38 AM
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#16537
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Having FUN in the SUN...
Drives: 2022 M6 ZL1 1LE
Join Date: Jan 2022
Location: San Diego CA
Posts: 2,178
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Quote:
Originally Posted by Rnovrit
When you remove the stock suitcase muffler it exposes the back of the bumper cover and causes a parachute like condition with the air flowing under the car. The belly pan across the back smooths out the air to go past the bumper cover and reduce drag. At least this is the theory I have read.
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Exactly! 
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