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slowerthanu · 07-06-2009, 05:32 PM

Here is a random question about the catted long tubes. If you add them without a tune (for warranty purposes), do you pull a CEL all the time or do the metallic cats burn enough excess fuel to keep that from happening?

I'm considering exactly that setup w/o a tune, should still put me up around 30whp.

07-06-2009, 05:32 PM	#27
slowerthanu Drives: 2ss on order, 06 f-150 Join Date: Jun 2009 Location: Utah Posts: 42	Here is a random question about the catted long tubes. If you add them without a tune (for warranty purposes), do you pull a CEL all the time or do the metallic cats burn enough excess fuel to keep that from happening? I'm considering exactly that setup w/o a tune, should still put me up around 30whp.