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10-20-2021, 08:51 AM
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#38
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BimmerPost Supporting Vendor
Drives: 07-335/12-328/18-M4/21-M4CP
Join Date: Sep 2013
Location: Las Vegas
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Quote:
Originally Posted by Andrew@ActiveAutowerke
They are 400 cell gen 2 high flow gesi cats and will not trigger a cel.
They will offer very similar performance gains to catless Downpipes without any of the drawbacks of catless downpipes.
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