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      07-31-2019, 02:24 PM   #8
808X1
Second Lieutenant
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Drives: F48 X1 M-Sport
Join Date: Jul 2017
Location: HI

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Quote:
Originally Posted by stylesx View Post
Is it just me or does it seem like the right pipe is larger than the left ? The right one seems to have a butterfly flap inside
The right does have a butterfly flap, as that will open when Full Throttle. Most of the time the flow will be directed to the left pipe.
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