best HFCs paired with F.I Exhaust?

Mike Z

So HFCs are next in line for my list of mods and I currently have F.I 18' res tdx and stillen gen 3 intakes. Anyone sugguestions on which HFC will pair nicely with my exhaust? I'm trying to avoid any rasp but not too uptight about hiss as long as its not overwhelming.

christian370z

I have been running my Berk HFCs with my 12" resonated FI exhaust and love it. The perfect amount of volume with no rasp, yet can be reasonable while cruising or nice and loud when you get on it. There is some hiss for sure, but it is nothing unreasonable and gets less noticeable once the car warms up. I am going to try wrapping my X pipe with some exhaust wrap to see if that makes a difference.


Here is a video of what the exhaust sounds like. First is a cold start:





This is some spirited driving through some canyons yesterday:

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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

XwChriswX

I have to say after hearing Triples and Christan's setup with both the 18" res and 12" res respectively, the Berks do sound cool with the FI Exhaust. However I have heard of some people on here having fitment issues with them.

I do believe though neither Christian or Triples have said issues...

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Bonnie - Stage 2, Audio build coming this fall!
R.I.P. Abby 3/29/10 - 3/30/14

Mike Z

i was sort of leaning towards berk hfc but i was curious to see if anyone else has input on their hfc's with the f.i exhaust.

F.I. Inc.

You know we make high flow cats right??? Check out these two links below.

FI HFC: http://www.fastintentions.com/produc...products_id=84

FI RHFC: http://www.fastintentions.com/produc...products_id=35

In my opinion, if you do not already have cats, why would you want to pair someone else's cats with our CBE. I can promise you the fit will be the best with our cats and CBE combined. Our price is comparable to the others and you will get the same quality with the cats as you did with the CBE. Seems like a no brainier to me!

As far as who is the best or who makes the most power, that is always subjective so I will not go there.

I am here if and when you are ready...

Thank you, Tony

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XwChriswX

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Bonnie - Stage 2, Audio build coming this fall!
R.I.P. Abby 3/29/10 - 3/30/14

ArtVandaleigh

I ran FI's resonated HFC's with their 18" cat back. Perfect setup IMO for power/sound/fitment.

doublea2527

The F.I. ones.

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Fast Intentions / Michelin / SPC / Stillen

MattP725

I have CNT cats... minimal rasp, some hiss, big cost savings... the FI looks like quality though.

CNT had no fitment issues BTW.

DIGItonium

It depends on what kind of sound you want. I started off with TDX 12" with Berk. The sound is sick. I still have the video on Youtube. There is some rasp given enough throttle. the 2-3k drone gets pretty loud. On a cold start, it rattles the garage door and office windows. With S-Mode, people kept thinking I wanted to race them.

As much as I liked the sound, I did not enjoy the rasp and tiresome LOUD drone so I went back to stock cats and love it. The rasp was gone, and the loudness was much more bearable. I could actually listen to music on the road.

Now I have the turbos and F.I. HFC. No joke... no rasp! Sound is smoother and deeper, and probably attenuated by the turbos. Overall quieter, but it sounds so good! It must be heard in person! I also made a Youtube video showinf before and after differences.

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