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Old 03-24-2006, 21:07   #1 (permalink)
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laws on extractors

I'm thinking of putting extractors into my EL falcon, but I've heard recently that if you remove the catalytic converter you can incur a fine of $2000. Is this true? Is there a way i can keep the cat on as well as have extractors. Sorry if this is a stupid question but i'd rather know than to be sorry later and owe 2grand.

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Old 03-24-2006, 22:13   #2 (permalink)
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Re: laws on extractors

yeah thats the law, but you can buy a 2.5" high flow cat for about $200
or just knock the inside of your cat out(but shoosh dont tell)
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Old 03-25-2006, 00:09   #3 (permalink)
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Re: laws on extractors

Cheaper still and just as effective is converting the current cat to 2.5" inlet and outlet. This is what is usually done- falcon cats flow very well. The same fine applies if you're caught having bashed out the internals of the cat.
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Old 03-25-2006, 03:54   #4 (permalink)
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Re: laws on extractors

It is possible to fit extractors and maintain a catalytic.

As suggested Falcon cats do flow well, but there are better ones on the market.

My suggestion is to find a performance exhaust centre near you and sound them out. The really good ones won't hesitate to recomend a set-up to suit what you want and stay legal!....a really good one will even quote the part numbers..meaning they have done it before!

I have found Unique Exhausts in Boronia (Melbourne) to be very good, but i don't know where your from.

All i can say is to stay away from run of the mill joints like Midas and Mr Muffler, as they are NOT interested in out of the norm applications.

Jas
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Old 03-25-2006, 04:34   #5 (permalink)
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Re: laws on extractors

Thanks for all the suggestions. But how do you fit the extractors with keeping the cat, because the extractors go all the way to the end of the cat and join up with the rest of the exhaust. So to install the extractors I'd have to get rid of the cat. Kinda confused right now??
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Old 03-25-2006, 05:09   #6 (permalink)
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Re: laws on extractors

G'day again.
To fit extractors and keep the cat involves modifying the 'mid section' of your exhaust.

This is not an off the shelf bolt in solution, but one that must be thought about and worked on.

You will be most likely paying an hourly rate to have this done properly.

It CAN be done, i have seen it many times, as others here will agree
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Old 03-25-2006, 17:17   #7 (permalink)
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Re: laws on extractors

Thanks for that. If I hadn't asked here I would've bolted the extractors straight on and probably get pulled over and tested.

Cheers
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Old 03-25-2006, 18:47   #8 (permalink)
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Re: laws on extractors

As mentioned (with different wording), you can get the cat(s) flanged so that the extractors can bolt straight up to it/them.
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Old 03-26-2006, 04:08   #9 (permalink)
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Re: laws on extractors

G'day,
the author doesn't mention whether he has a 6 or an 8.
The last 8 i worked on was an EB and the cats on that already carried flanges.

I am not sure about EF/EL 6's but the earlier ones didn't carry flanged cats. I see no reason why even on a 6 you couldn't pinch a V8 one and fit it behind the extractors.

One installation i have seen on a 6 was dual outlet extractors into a cat for each outlet then a Y piece to finish in a single tail pipe.

Anything can be done!
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Old 03-29-2006, 06:43   #10 (permalink)
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Re: laws on extractors

For my ED I purchased flanged extractors & double flanged High flow cat - total length same as factory cat - then 2.5 rest of the way. Easy bolt on at home!! Engine is a lot less fussed at higher revs.
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