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      01-04-2024, 12:23 PM   #4
Sparch
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Drives: M340i, 430i GC
Join Date: Mar 2022
Location: Sunshine State

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I would just go Catted DP (Activ Autowerk - No CEL issues)u will get deeper tone, but most importantly a better option for performance gains.

MPE basically just a muffler, and provides zero gains only sound.
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