Just orderd thes HFC from NissanGeneration

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07-12-2010, 05:10 AM

#21

hottoddyo

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Quote:

Originally Posted by abui01

HFC's make 1-2 decibels of extra noise, not enough to notice a difference. Mostly for the 3-5whp gain.

And correct you are!!

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07-12-2010, 05:16 AM

#22

hottoddyo

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Quote:

Originally Posted by jv350z

What year is your Z, and what mods do you have? and how's their weight compared to the stockers?

I'm considering these, but can't seem to find any reviews from 350Z guys. 370z guys seem to like these.

My Z is an 04. I've done a lot of mods to the outside, I have an Invidia true dual exhaust, now the HFC's, and cold air intake. They are lighter than the stock cats and makes the exhaust slightly louder, but only when you step on it. Fairly quiet otherwise with no drone sound or smell. It really depends on what you are looking to get out of them. The install was clean with no problems and they are great looking pipes.

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