Quote:
Originally Posted by Gibby1113
Which HFCs will not give you a CEL? Does the ark resonated hfc give you a CEL?
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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.
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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.