gilto Member 218 Member For: 17y 5m 15d Gender: Male Posted 17/09/07 07:59 AM Share Posted 17/09/07 07:59 AM Hi guys,Just interested to know people's thought on cat gutting. On a standard exhaust how much loder will it make it?? Someone said flames will shoot out the back of the car but I find this very hard to believe. My mate has a V8 Late model camira with no cat and he certainly doesn't have flames shooting out the back.It will relieve a lot of pressure on the valve springs correct??It's something to consider for those on an extremely tight budget......Anyone done it?? What is the sound like?? It still goes through 2 mufflers after the cat anyway which should keep it quiet...correct me if I'm wrong.... Link to comment Share on other sites More sharing options...
senna_T Forged Member Lifetime Members 15,818 Member For: 17y 10m 7d Gender: Male Location: SW Sydney Posted 17/09/07 08:01 AM Share Posted 17/09/07 08:01 AM its more the reak of raw unburnt fuel coming out of your exhaust pipe that pisses most ppl off rather than the noise, remember there is a big fine if you get caught though, and yes, it will be louder Link to comment Share on other sites More sharing options...
seventytwo Still have a turbo, it's just on a diesel. Lifetime Members 5,368 Member For: 19y 5m 7d Gender: Male Location: The 8th Dimension Posted 17/09/07 08:35 AM Share Posted 17/09/07 08:35 AM (edited) Illegal and stupid, If you cant afford to mod don't do it at all.On a non edited car, the reduction in back pressure will cause overboost and send the ECU into limp mode.Save your dollars and do it properly. Edited 17/09/07 08:39 AM by seventytwo Link to comment Share on other sites More sharing options...
FPV TRANNY Im the one and only Donating Members 3,557 Member For: 19y 11m 7d Gender: Male Location: In my house Posted 17/09/07 08:45 AM Share Posted 17/09/07 08:45 AM Yes it will be growl more at full throttle but isnt that loud.You will notice a bit of fuel smell after a bit of a canning when you pull up at lights but didnt bother me.I had a full APS system on and the cat melted on it so I gutterd it.Never got fined or caught.If I did I would have replaced it then.If you do it just remember to custom tune it mate as it will affect you boost. Link to comment Share on other sites More sharing options...
gilto Member 218 Member For: 17y 5m 15d Gender: Male Posted 17/09/07 01:12 PM Author Share Posted 17/09/07 01:12 PM Yes it will be growl more at full throttle but isnt that loud.You will notice a bit of fuel smell after a bit of a canning when you pull up at lights but didnt bother me.I had a full APS system on and the cat melted on it so I gutterd it.Never got fined or caught.If I did I would have replaced it then.If you do it just remember to custom tune it mate as it will affect you boost.Thanks guys and thanks FPV Tranny...it's always good to get the low down from someone who has done it Definately better to do it properly if you can afford it though. I will probably do it properly but just wanted some peoples opinions.... Link to comment Share on other sites More sharing options...
AzMahoony Hench, but no longer shredded or tanned. Member 3,343 Member For: 17y 8m 16d Gender: Male Location: Canning Vale, W.A Posted 17/09/07 01:25 PM Share Posted 17/09/07 01:25 PM it's only illegal if you get caught. Link to comment Share on other sites More sharing options...
Guest Guests Posted 17/09/07 01:48 PM Share Posted 17/09/07 01:48 PM it's only illegal if you get caught.True that What cop would have a chance of catching an edited T though? Link to comment Share on other sites More sharing options...
IH8TOADS Silver Donating Members 3,618 Member For: 19y 5m 6d Gender: Male Location: OZ Posted 18/09/07 09:22 AM Share Posted 18/09/07 09:22 AM it's only illegal if you get caught.....what like murder Link to comment Share on other sites More sharing options...
IH8TOADS Silver Donating Members 3,618 Member For: 19y 5m 6d Gender: Male Location: OZ Posted 18/09/07 09:23 AM Share Posted 18/09/07 09:23 AM True that What cop would have a chance of catching an edited T though? one with eyes and can read number plates Link to comment Share on other sites More sharing options...
IH8TOADS Silver Donating Members 3,618 Member For: 19y 5m 6d Gender: Male Location: OZ Posted 18/09/07 09:26 AM Share Posted 18/09/07 09:26 AM This is a thread for selfish tightar$es lol!!! You can get good quality EPA approved cats for $180 bucks that flow well over 300 rwkw's. I spend more on lube a week pounding youngy's mum haa!! Link to comment Share on other sites More sharing options...
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