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Has any one member here ever installed different aftermarket ones and compared them? Do they all pretty much produce the same output? Any differences besides name brands?
Has any one member here ever installed different aftermarket ones and compared them? Do they all pretty much produce the same output? Any differences besides name brands?
If there was a different cell count used in the HFC, the different would be negligible. Going from HFC to test pipes on my maxima , I did not notice any power difference.
i had Z1 cats but the ones they sent were so badly made they wouldn't seal.. they were out of stock on all others..
so i called another company and had some berks overnighted.
i was running berks before headers..
with the Z1 headers you have to run DE flanges HFC or Test pipes from the 350z...
Originally Posted by m3clubracer
Question, why if you have Z1 headers did you go with Berk HFC or vice versa?