Quality-wise the FI HFCs are just as good if not better than Berks. As far as sound, the FI HFCs seem to sound a little deeper than the Berks did. Car sounds absolutely amazing now!
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 '12 370Z + Sport | Stillen Gen3 Intakes | Stillen UD Pulley | Motordyne M370 | FI Exhaust | FI HFCs | 4.08 Gears | Uprev tuned
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