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Failed Emissions, what does it mean?



> If you are going to fab a fake cat to only use once (for smog day) why not 
> use a real cat???
> I have a high flow cat that sits on the shelf with only about 2 days worth 
> of use (have had it for...10+yrs) and it is still like new.
> This way when I get a smog (CA) cert I know it will pass with a good cat 
> without any problems.
> I thought people put hollowed out cats on cars when they didn't want to 
> remove it at all.
> In fact a good friend of Craig and I uses a hollowed out cat (with a pipe 
> welded inside) every day on the car except smog day at which time he swaps 
> out the hollowed out unit for a good unit and swaps back after smogging.
> Enlighten me here....what am I missing???
> 
> Randy
> (smog legal 1 day out of every 2 yrs.)


I was referring more to something where the fake cat would hinge along the vertical axis, then you could just bolt it on over the pipe that doesn't have a cat.  This way it would take a few minutes to install, compared to completely changing the downpipe or taking off headers to put on a manifold and downpipe w/cat.  make sense now?
-- 


Doug C.
'88 16v
Raleigh, NC

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