Did you go to SpecialtyZ by chance? The last time I heard a Berk HFC/Nismo CBE combo, it sounded great and was still the traditional deep Nismo sound. I have to admit Berk HFCs and a stock cat-back exhaust is a bit raspy at times but it all depends on your preference.
There always could be a small leak somewhere,but other than that I am not sure what could cause that much rasp.
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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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