Thread: E92 M3 MXP X Pipe - Dual Cat Delete
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      09-26-2012, 12:37 PM   #5
Archiebabes
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Drives: F90 M5, Huracan EVO, R35 GTR
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Quote:
Originally Posted by BMW Fanatic View Post
How much louder is a tad on a scale of 1-100% would you say?
About 20% only since it has 4 resonators and you are using the stock exhaust.

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