FI exhaust options HFC or ART test pipes or?

Sh0velMan · 08-27-2013, 09:02 AM

Quote:

Originally Posted by forza370z

Without 18" resonators you might have more drone at certain RPMs. But it wouldn't be that much of a difference I think.

Huge, huge, huge difference, actually.

1cleanZ · 08-27-2013, 10:42 AM

Quote:

Originally Posted by Sh0velMan

Huge, huge, huge difference, actually.

Indeed^^^ That's the soul purpose of the actual resonators, and they do their job quite nicely!

Quote:

Originally Posted by forza370z

No, FI HFCs or FI RHFCs are slightly louder then the ART pipes.

This is incorrect as well. You're comparing a 300 Cell Cat...to a fully free flowing Test Pipe. The ART pipes are definitely louder then the FI HFCs combos.

ahhlun · 08-27-2013, 04:09 PM

Hi, I got the 18" SS FI,
I find the drone at high way cruising speed just tolerable.

I shouldn't even consider the RHFC/ berk HFC right? either of those would increase drone?

Thanks,
Alan

KN21283 · 08-27-2013, 05:04 PM

I have FI RHFCs with 18" RCBE. Adding the cats does increase it.

forza370z · 08-28-2013, 12:28 AM

Quote:

Originally Posted by Sh0velMan

Huge, huge, huge difference, actually.

My ear might already got the HUGE damage from the non-res FI exhaust! LOL

forza370z · 08-28-2013, 12:35 AM

Quote:

Originally Posted by 1cleanZ

Indeed^^^ That's the soul purpose of the actual resonators, and they do their job quite nicely!

This is incorrect as well. You're comparing a 300 Cell Cat...to a fully free flowing Test Pipe. The ART pipes are definitely louder then the FI HFCs combos.

But you forgot ART pipes are not regular test pipes. That's what that 2 "grenades" for. They are resonators. And as you just stated yourself they do their job quite nicely.

Here is the sound level from what I heard people were talking for years.

Test pipes > HFCs > ART pipes > RHFCs

Be honest tho, HFCs and ART pipes are very similar. Test pipes are louder for sure. But then again, like I posted earlier, my ears might already got damaged! LOL

08-27-2013, 04:09 PM	#18 (permalink)
ahhlun Base Member Join Date: Feb 2012 Location: redmond/richmond Posts: 59 Drives: 40th Rep Power: 13	Hi, I got the 18" SS FI, I find the drone at high way cruising speed just tolerable. I shouldn't even consider the RHFC/ berk HFC right? either of those would increase drone? Thanks, Alan __________________ 2004: MCS 2010: 370z 40th Last edited by ahhlun; 08-27-2013 at 04:13 PM.

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08-27-2013, 05:04 PM	#19 (permalink)
KN21283 Enthusiast Member Join Date: Dec 2011 Location: Nyc Posts: 312 Drives: Pw Rep Power: 14	I have FI RHFCs with 18" RCBE. Adding the cats does increase it.