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Is A Cat Really Needed?

Ruxis

By Ruxis,
in Engines & Forced Induction

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BrynDETT Community Regular

BrynDETT

Posted
Posted

up here in qld they dont seem to care very much about cats..

twice i have been fined for being to low, and on the one occasion where i got on my knees to see what he was talking about the cop was poking my decat pipe with his little height wheel thing.. never said a word..

mine is a 3" stainless decat, doesnt even look like a cat haha

Hanaldo Grand Master

Hanaldo

Posted
Posted

I had a cat on my r33... but my PFCpro has launch controll.... bits of cat come out the exzaust lol decat without removing it

This is why it's important to get a cat with metal substrate.

Rolls Grand Master

Rolls

Posted
Posted

I have never in my entire life heard of someone other than a trucking company get one of those $10,000 fines, and that was only because they regularly hadn't met the service time frames for the cat/muffler/particulate filters.

I haven't even heard of a workshop getting fined, not even forum heresay let alone proof.

Hanaldo Grand Master

Hanaldo

Posted
Posted

I just don't see the point of running a decat. The difference between a decat and a good quality high-flow cat is negligible, you wouldn't even notice it. You can get a good metal high-flow for so cheap these days, it's bordering on irresponsible to run a decat simply for the sake of $50 or $60. Why even debate whether you should use one or not?

Hanaldo Grand Master

Hanaldo

Posted
Posted

The difference is more than $60, if you want one that's going to flow 250rwkw and higher. Also, flames are rad

I paid $160 delivered for my 5" body Venom cat (though after a quick search on eBay, I notice prices have gone up), am currently making 260rwkw with no restriction from the exhaust. Will soon be pushing 300rwkw+, will let you know how it goes then but I highly doubt it will be a problem. Considering I was quoted $100 to have a decat pipe made up (there was a stage when I thought my cat was a restriction where I considered going decat, but it turned out to not be the case), there isn't THAT much difference in price, and it's certainly not enough of a margin to tempt me to run a decat at all.

Flames are pretty rad though :P

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