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The HFC's sound different because they are allowing more flow and the 370Z is bad to become "raspy" but you can also check for an exhaust leak where it bolts
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#1 (permalink) |
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Join Date: Jun 2010
Location: Carrollton
Posts: 91
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The HFC's sound different because they are allowing more flow and the 370Z is bad to become "raspy" but you can also check for an exhaust leak where it bolts to the header.
We have seen several cars (including our own) with this problem and came out with gaskets just for this purpose. |
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#2 (permalink) | |
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Join Date: May 2010
Location: Spring Hill, FL
Posts: 547
Drives: 09 7AT 370Z
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Stillen Gen3 CAI|Berk HFC and CBE|UpRev|15mm H&R front spacers|20mm Ichiba rear spacers|Stillen front and rear sway bars|Yokohama S. Drives|Swift springs|JDM Blinking Fog|8000k HIDs|9% window tinting, 47% on full windshield |
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