I also have to put in a good word for Berk Technologies. I bought mine because they have the lowest chance of setting off the check engine light, the quality is great, fitment is perfect, and it retains the mounting points for the factory cat brace. It may be a bit more money up front, but it is one of the best HFCs out there for the 370z in my opinion.
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-320whp / 259wftlbs-
SP Rays -- RE-11s -- SpecialtyZ Tune -- Swift Springs -- Stillen 25R Oil Cooler -- Stillen G3 Intakes -- Berk HFCs -- F.I. 12" CBE -- Stillen Sway Bars -- Es14 Spring -- INGS+1 lip -- CF Spoiler -- GTR Start Button -- VLED Parking Lights -- PWJDM V2 shift knob
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