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      11-02-2018, 07:10 PM   #1
onfireX5
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Drives: F90M5,F85X5M
Join Date: Jul 2015
Location: Va

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Flow Bench Tested the F90 secondary Cat.

BIG THANKS to Miko M for sending me his catalytic converter ! Test would not happen without him.

Factory secondary cat flows 542cfm at 28" H20

For reference, an open 2.50" pipe flows 515cfm.

An open 3" pipe maxes my bench at 702cfm.
Attached Images
  
Appreciate 5
Miko M6653.50
r33_RGSport12967.50
FSociety3812.50