Quote:
Originally Posted by m4a1mustang
Well the FI HFCs are 300 cell count instead of 200 cell on the Berks, so in theory they will not flow quite as much and should be a bit quieter.
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The Berk cats are 300 cell. They use Magnaflow part # 59956 cats. Ours are also 300 cell however we no longer use Magnaflow cats. We have not since last year.