F.I. HFC resonated cat pipes

"Noise" is personally subjective. If the restriction (OEM catalytic converters) is removed lower frequency noise will be generated. The resonated sections help reduce noise in some of the frequency bands

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F.I. HFC resonated cat pipes

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03-27-2010, 06:41 PM	#6 (permalink)
Nikon FM Track Member Join Date: Jan 2009 Location: Snoqualmie WA Posts: 973 Drives: 03 996TT Porsche Rep Power: 607	"Noise" is personally subjective. If the restriction (OEM catalytic converters) is removed lower frequency noise will be generated. The resonated sections help reduce noise in some of the frequency bands but lower frequency sound will still be heard. __________________ Buddy Revell: "One man's sooner is another man's later"

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