I highly recommend Berk HFCs; I did a ton of research into the various high flow cats available and I believe that Berk offers some of the most experience in product development on the VQ37 engines. It bumps the volume up on the exhaust even with the rest of the system remaining stock, and the power increase is immediately noticeable. Other great choices include Fast Intentions HFCs, Stillen HFCs, and ERZ HFCs.
As for the intake choice; the two intakes that have consistently proven to be the top performers have been the Injen intake and the Stillen G3 Intake. I am personally installing my Stillen G3 intake tomorrow but you cannot go wrong with either.
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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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