Thread: How far can I go before voiding warranty- exhaust?
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      12-27-2021, 05:42 PM   #13
DrivenAgain
MFJWADE
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Drives: 2018 BMW M5
Join Date: Dec 2020
Location: MD

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Exhaust is for sound not HP on this platform. Pick your battles.
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2018 M5 Singapore Grey CCBs/Utku Noa E45 ECU/xHP TCU/PG-Intake/PG-Lower Downpipes
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