Who makes the best quality HFC?

kyrix1st · 04-01-2021, 08:37 PM

I read somewhere in M3post that 200 cel from a certain manufacturer has the most durable cat (OEM level) but can't seem to recall the name of the company. Any idea?

amrazM · 04-02-2021, 06:02 AM

gesi

drwankel · 04-02-2021, 12:25 PM

HJS makes the best high flow cats from what I have read.

roastbeef · 04-04-2021, 02:14 AM

there are a couple out there, but this one sticks out in my head.
https://kooksheaders.com/ultra-green-cats

04-01-2021, 08:37 PM	#1
kyrix1st Colonel 2432 Rep 2,441 Posts Drives: '25 718 GTS 4.0; E92M3 MT&DCT Join Date: Sep 2014 Location: nyc iTrader: (0) Garage List 2004 BMW Z4 [0.00]	Who makes the best quality HFC? I read somewhere in M3post that 200 cel from a certain manufacturer has the most durable cat (OEM level) but can't seem to recall the name of the company. Any idea? __________________ Pass me if you can.
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04-02-2021, 06:02 AM	#2
amrazM mTekMods 2478 Rep 3,150 Posts Drives: like a granny. Join Date: Jan 2010 Location: Manhatan iTrader: (1)	gesi __________________ E90M3 - Satin Black F97 X3M - Brooklyn Grey E39 M5 - Silverstone
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04-02-2021, 12:25 PM	#3
drwankel Major 1616 Rep 1,337 Posts Drives: E92 M3, G20 M340i Join Date: Feb 2016 Location: Bothell, WA iTrader: (0)	HJS makes the best high flow cats from what I have read.
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04-04-2021, 02:14 AM	#4
roastbeef Lieutenant General 11865 Rep 12,880 Posts Drives: E92 M3 Join Date: Nov 2010 Location: Orange County, CA iTrader: (4)	there are a couple out there, but this one sticks out in my head. https://kooksheaders.com/ultra-green-cats __________________ Instagram; @roastbeefmike
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