Help me with my HFC decision..
Help me with my HFC decision..
Hey Guys,
Torn between the Random Technology 3" HFC and the WORKS HFC.
I know that the WORKS HFC will bolt nicely to a WORKS 3" DP and my HKS Hi-Power, but I don't know about the Random Technology.
Any ideas??
if you want a high flow cat or test, look no further 
http://www.z1auto.com/prodmore.asp?m...ust&prodid=481
we have had SO many issues with random cats on other cars in the past, we won't even offer them anymore

http://www.z1auto.com/prodmore.asp?m...ust&prodid=481
we have had SO many issues with random cats on other cars in the past, we won't even offer them anymore
If you really want to get a high-flow cat, I'd recommend getting one w/ a metal substrate (Helix, APS) as they flow better than their ceramic counterparts (WORKS). I'm not sure about the Ultimate Racing cats though. Had I known about this before I bought my WORKS cat, I would have gone w/ the Helix.
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I've got a 3" Random Tech metallic substrate cat. I like it, but it does set CELs so plan to get an O2 sim with it. I also don't expect it to pass emissions when that comes around. It does do a good job of cleaning up the smell of the exhaust though and keeping the volume of the exhaust livable.
Originally Posted by EVO8LTW
I've got a 3" Random Tech metallic substrate cat. I like it, but it does set CELs so plan to get an O2 sim with it. I also don't expect it to pass emissions when that comes around. It does do a good job of cleaning up the smell of the exhaust though and keeping the volume of the exhaust livable.

Hmmm.. so the random tech cat flows better than the Helix huh? What are the issues people have had with them? The construction of the Helix looks a little better though with thicker flanges.
Originally Posted by marksae
To me, throwing CELs is a a good thing! That means higher flow! My cat never throws a CEL since it's not flowing enough! 
Hmmm.. so the random tech cat flows better than the Helix huh? What are the issues people have had with them? The construction of the Helix looks a little better though with thicker flanges.

Hmmm.. so the random tech cat flows better than the Helix huh? What are the issues people have had with them? The construction of the Helix looks a little better though with thicker flanges.
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