Anyone who has high flow cats and want to really make them tie in with the rest of the exhaust, a better Y pipe is a must. The exhaust diameter from HFCs is much larger than the opening of the OEM y pipe so you are basically ramming the exhaust through a restriction. A larger Y pipe also decreases rasp with HFCs, this is a great deal!
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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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