stealthf6 Member 44 Member For: 14y 3m 22d Gender: Male Posted 24/02/11 03:40 AM Share Posted 24/02/11 03:40 AM hey guys was wondering is it worth up grading the standard cat to a 100 cell on a standard system. will I benefit from the 100 cell on a standard system? gains in power, better flow etc. thanks luke Link to comment Share on other sites More sharing options...
XtRmn8 570Nm @1800rpm Donating Members 2,441 Member For: 21y 1m 28d Gender: Male Location: Perth, WA Posted 24/02/11 04:04 AM Share Posted 24/02/11 04:04 AM The factory car is one of the biggest restrictions in the stock exhaust system. Putting a 100cell large body cat will allow your factory exhaust to flow a lot more and by removing center muffler or a twin 2.5" cat-back it will be good for 300rwkw+.You will need a retune if you replace the cat.Where are you located? Link to comment Share on other sites More sharing options...
stealthf6 Member 44 Member For: 14y 3m 22d Gender: Male Posted 24/02/11 04:19 AM Author Share Posted 24/02/11 04:19 AM thanks for the reply..I got told I wouldnt benefit from replacing the cat on a standard system, id be better off replacing the whole exhaust. I didnt really want to replace the whole exhaust, the power lvl I was looking at is low 300rwkw. ive got the centre muffler removed already and replaced with straight pipes. im located in townsville. Link to comment Share on other sites More sharing options...
Mr_4.0 Member 1,096 Member For: 13y 10m Posted 24/02/11 04:25 AM Share Posted 24/02/11 04:25 AM With aftermarket cat and centre muffler removed your 300rwkw target will be reached easy. But you must retune! Link to comment Share on other sites More sharing options...
XtRmn8 570Nm @1800rpm Donating Members 2,441 Member For: 21y 1m 28d Gender: Male Location: Perth, WA Posted 24/02/11 04:29 AM Share Posted 24/02/11 04:29 AM stealthf6, I bet an exhaust shop told you that so that they could sell you a whole system.Get a Rapid 100cpi 5" body cat with 3" inlet/outlet, take it to an exhaust shop and they will cup out factory cat and weld in the new one. Do not drive the car around untuned!! Link to comment Share on other sites More sharing options...
stealthf6 Member 44 Member For: 14y 3m 22d Gender: Male Posted 24/02/11 04:38 AM Author Share Posted 24/02/11 04:38 AM it was from a mechanic.. I was after a quote for a tune and letting them know some parts I was looking at getting before the tune. I understand I need a tune after the cat is installed Link to comment Share on other sites More sharing options...
Robos F6 Donating Members 407 Member For: 15y 8m 18d Gender: Male Location: Vic Posted 24/02/11 05:56 AM Share Posted 24/02/11 05:56 AM Totally agree, just get them to weld the cat into your standard system. I have the exact set up in my F6 and im pushing 304rwkw. I love the stock stealth sound. Link to comment Share on other sites More sharing options...
mrmackie Donating Members 67 Member For: 17y 2m 1d Gender: Male Location: Perth - CBD Posted 29/03/11 11:57 AM Share Posted 29/03/11 11:57 AM stealthf6, I bet an exhaust shop told you that so that they could sell you a whole system.Get a Rapid 100cpi 5" body cat with 3" inlet/outlet, take it to an exhaust shop and they will cup out factory cat and weld in the new one. Do not drive the car around untuned!!Dont stress too much about driving it around untuned after your mods. I put in a 100CPI Ballistic, new cooler and 4" intake and drove it constantly for 3 weeks without a problem before I could make it to the tuner. JUST DONT HIT BOOST, which is easier said than done, but if you have a boost gauge and some self control it is possible. Too many people treat the motor as if its made from egg shells and are scared to drive the car anywhere. Just be careful with it and youll be able to drive it around without a problem, just dont flog it as that's when youll get problems 1 Link to comment Share on other sites More sharing options...
SuckSqueezeBangBlow ʎǝʞuoɯ ɹoıuǝs Donating Members 1,808 Member For: 15y 11m 3d Gender: Male Posted 29/03/11 09:15 PM Share Posted 29/03/11 09:15 PM is a 100cpsi 4"body 3"outlets worth doing? whats the power limit? Link to comment Share on other sites More sharing options...
mitchg911 Member 22 Member For: 15y 7m 1d Posted 03/05/11 01:26 AM Share Posted 03/05/11 01:26 AM (edited) im making 340-350rwkw with a 4" body 100cell cat and otherwise stock exhaust.. along with cooler and pipework etc.-mitch Edited 03/05/11 01:27 AM by mitchg911 Link to comment Share on other sites More sharing options...
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