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Active Autowerkes Catted Downpipe (New)
| 04-15-2026, 08:44 AM | #1 |
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Active Autowerkes Catted Downpipe (New)
Bought this recently and decided not to install. Active Autowerke's 400 cell catalyst for BMW B58 F3X M240i 340i 440i .. It's designed to support high-performance applications (up to 800 hp) without triggering a check engine light. Includes turbo flange gasket along with written break-in procedure. Will provide quicker turbo spoil up and more power depending on tune. New in original box and only opened for picture. Would prefer local pickup but can ship to continental United States. Additional information from Active Autowerke: https://store.activeautowerke.com/pr...df08abfe&_ss=r 
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