Stillen HFC over Berk..HMMMMM

forza370z · 05-22-2013, 02:41 PM

Quote:

Originally Posted by Gibby1113

Which HFCs will not give you a CEL? Does the ark resonated hfc give you a CEL?

Quote:

Originally Posted by chrischhorn

Stillen HFC's WILL give you a CEL unless they revised it and added the extenders. If not, you can just buy the L extenders off ebay for $15 for the pair. Thats what I ended up doing. The BEST thing about the Stillen HFC's is that it uses the same Header to Cat gasket as OEM. Its the OEM crush ring instead of the 3 bolt flange gaskets like every other aftermarket. It actually has a lip on the cat to header to seal it properly. Fitment was perfect though. CEL was the only problem which was easily resolved with the extenders.

Yes either get the Stillen or Berk and do the non fouler(L extenders) mod to fool the o2 sensors or just get the Fast Intentions HFC that already has "L" shaped extender that will NOT trigger the CEL.

Gibby1113 · 05-22-2013, 04:59 PM

I don't know if this is a stupid question or not but is there a hfc that won't give my car a hiss when I rev it? I know the sound of the exhaust will change I just don't want it to hiss.

05-22-2013, 04:59 PM	#2 (permalink)
Gibby1113 Enthusiast Member Join Date: Nov 2012 Location: On open empty highways Posts: 366 Drives: 40th anniversary Rep Power: 14	I don't know if this is a stupid question or not but is there a hfc that won't give my car a hiss when I rev it? I know the sound of the exhaust will change I just don't want it to hiss. __________________ 40th anniversary #450/1000 \| Takeda Attack CAI \| Ark DTS exhaust \| to be continued...

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