Thread: 800HP M5 F90 w/ Catless Fi EXHAUST, Eventuri, ECU Tune, Z-Performance Wheels
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      03-16-2021, 12:39 AM   #23
FiEXHAUST
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Drives: BMW 1-8, M and X series
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Quote:
Originally Posted by EgemenComertoglu View Post
does anyone know, how many Inc's those FI downpipes?
The downpipe diameter is 90mm.
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