bf bionic xrt Member 19 Member For: 16y 10m 9d Posted 21/10/08 02:08 PM Share Posted 21/10/08 02:08 PM Car hade a custom tune but power was below average for mods, must have started to let go on the dyno. Lasted about two week then huge power loss.Cat was checked and guts had turned 90' I think a replacement is in order from xforce. Link to comment Share on other sites More sharing options...
iTec TEAM BA Donating Members 1,755 Member For: 19y 9m 28d Gender: Male Location: North of The Bridge Posted 21/10/08 02:39 PM Share Posted 21/10/08 02:39 PM was the tune checked after the cat had been replaced? If it was running rich then that would explain the cat failing quickly Link to comment Share on other sites More sharing options...
bf bionic xrt Member 19 Member For: 16y 10m 9d Posted 21/10/08 02:52 PM Share Posted 21/10/08 02:52 PM Car was runing around 11.8 to 12 afr. I think it was just a dud. Just wanted to point out to everyone that even high performance parts are not perfect and alot of parts are comming from china now for these cars ( intercoolers,cats,exhausts ect). Link to comment Share on other sites More sharing options...
iTec TEAM BA Donating Members 1,755 Member For: 19y 9m 28d Gender: Male Location: North of The Bridge Posted 21/10/08 03:14 PM Share Posted 21/10/08 03:14 PM that is true.. and xforce are a chinese brand.. Link to comment Share on other sites More sharing options...
turbotrana Member 2,586 Member For: 21y 6m 6d Gender: Male Posted 21/10/08 04:32 PM Share Posted 21/10/08 04:32 PM (edited) hey guys I was wondering if any body can answer my question? when your catlic converter is about to sh*t its self or has sh*t its self what are some of the things you will start to notice.you will notice this brown thick stuff come out from the tail pipe and it smells like someone farted Edited 21/10/08 04:33 PM by turbotrana Link to comment Share on other sites More sharing options...
typhoon_freak Cryptic Clothing Company Donating Members 4,556 Member For: 16y 2m 26d Gender: Male Location: Brisvages, Capalaba Posted 21/10/08 07:22 PM Share Posted 21/10/08 07:22 PM also u will hear strange noises sometimes, depends if the core it broken or melted. generaly a loss of power Link to comment Share on other sites More sharing options...
RAP1D Member Donating Members 3,739 Member For: 18y 4m 16d Gender: Male Location: Sydney NSW Posted 21/10/08 10:10 PM Share Posted 21/10/08 10:10 PM If the cat has melted then its not really the cats fault, more so the high exhaust temps the motor is producing (poorly modded/tuned can do this).Usually cats that fail break away, and the whole insides twist and block flow... some only partially block the flow, others block more of the flow. Link to comment Share on other sites More sharing options...
bf bionic xrt Member 19 Member For: 16y 10m 9d Posted 21/10/08 11:31 PM Share Posted 21/10/08 11:31 PM Yes the inside of the cat had twisted. Is it possable for a metal core to still melt down? I know std cats can and do melt but thought metal cores were much better. Link to comment Share on other sites More sharing options...
Mat Donating Members 2,930 Member For: 17y 5m 23d Gender: Male Location: Caracciola Karussell Posted 27/10/08 01:52 AM Share Posted 27/10/08 01:52 AM xforce are a chinese brand..QFT!I had Xforce dump start having some issues before my old car was sold.. Link to comment Share on other sites More sharing options...
kevo Member 286 Member For: 16y 9m 19d Gender: Male Location: Wanneroo, Perth WA Posted 30/10/08 06:46 AM Share Posted 30/10/08 06:46 AM Hiflow stainless cats can go too, a friend just had a xforce cat sh*t it self, car lost alot of power but there was no noise from the cat.yer this is true, I have been told by a reputable exhaust shop that my APS stainless steel cat can't deteriorate like a ceramic one can, but at the same time when dyno tuned I was told my cat (5 1/2") was the limiting factor, as I got very low numbers given the mods applied at the time, im guna take it off and get the exhaust shop to look at it for me - its thier job so they will be able to tell if its rooted or not Link to comment Share on other sites More sharing options...
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