PSI40T Member 448 Member For: 18y 1m 25d Posted 19/12/08 04:17 AM Share Posted 19/12/08 04:17 AM Has anyone just changed there standard cat on there standard fg xr6t exhaust to a high flow one...Im thinking about doing this . What kind of gains would I roughly see, extra noise... do I need a tune??cheers Link to comment https://www.fordxr6turbo.com/forum/topic/52677-high-flow-cat-on-the-fg/ Share on other sites More sharing options...
PHANTMXR6 It's not a MKI! Member 1,742 Member For: 16y 9m 25d Gender: Male Location: Earth Posted 19/12/08 04:39 AM Share Posted 19/12/08 04:39 AM I haven't heard of just a cat change on the FG,but you will definately need a tune if you do it. Link to comment https://www.fordxr6turbo.com/forum/topic/52677-high-flow-cat-on-the-fg/#findComment-788989 Share on other sites More sharing options...
PSI40T Member 448 Member For: 18y 1m 25d Posted 19/12/08 04:45 AM Author Share Posted 19/12/08 04:45 AM Yeah ive just read that the standard exhaust is pretty good on the fg.. so I though id just get the cat replaced with a high flow version... Link to comment https://www.fordxr6turbo.com/forum/topic/52677-high-flow-cat-on-the-fg/#findComment-788997 Share on other sites More sharing options...
PHANTMXR6 It's not a MKI! Member 1,742 Member For: 16y 9m 25d Gender: Male Location: Earth Posted 19/12/08 07:28 AM Share Posted 19/12/08 07:28 AM It all depends on what your total power goal is, as to what you get done to your exhaust also. Link to comment https://www.fordxr6turbo.com/forum/topic/52677-high-flow-cat-on-the-fg/#findComment-789094 Share on other sites More sharing options...
Nolz Member 80 Member For: 16y 7m 9d Gender: Male Location: Castle Hill Posted 19/12/08 08:40 AM Share Posted 19/12/08 08:40 AM Exhaust shop fella's did note that the FG system was pretty darn good however with the effort of changing out the cat and getting a tune you may as well go whole hog and do the lot. As good as the stock system is I can't imagine it wouldn't flow even better through a straight through resonator and muffler. I guess it depends on what you are after ultimately (for me it was a bit of an exhaust note before I get around to the whole system, hence the cat back) but IMO, although the gains will be there I'd be more inclined to save/wait and do the lot.Warranty is an issue for some too, as it was for me. I was told anything cat back was ok, but the cat forwards is a no no. Be sure to check with your dealer if that concerns you. Link to comment https://www.fordxr6turbo.com/forum/topic/52677-high-flow-cat-on-the-fg/#findComment-789122 Share on other sites More sharing options...
F6_jase Donating Members 322 Member For: 16y 5m 29d Gender: Male Location: Mooloolaba, QLD Posted 19/12/08 09:37 AM Share Posted 19/12/08 09:37 AM I got a dump pipe and cat and ford have no problem with it. you will need a tune so that you dont have the engine light coming on with a cat emmission error as the FG'S have progressive learning comp and it detects the new cat as not as efficient. go dump and cat at least Link to comment https://www.fordxr6turbo.com/forum/topic/52677-high-flow-cat-on-the-fg/#findComment-789147 Share on other sites More sharing options...
PHANTMXR6 It's not a MKI! Member 1,742 Member For: 16y 9m 25d Gender: Male Location: Earth Posted 19/12/08 09:42 AM Share Posted 19/12/08 09:42 AM F6_jase said: I got a dump pipe and cat and ford have no problem with it. you will need a tune so that you dont have the engine light coming onSo you got permission from Ford to reprogram the ECU and they said they will still honour warranty??? I hope you got it in writing.On another note. How much difference is there between the XR6T exhaust and the F6 exhaust system? Link to comment https://www.fordxr6turbo.com/forum/topic/52677-high-flow-cat-on-the-fg/#findComment-789150 Share on other sites More sharing options...
F6_jase Donating Members 322 Member For: 16y 5m 29d Gender: Male Location: Mooloolaba, QLD Posted 19/12/08 09:45 AM Share Posted 19/12/08 09:45 AM (edited) note I said I got a cat and dump pipe and ford didnt have a problem with it, and I deny anything was said about me having a tune done.I think the F6 has a larger diameter the whole way through, dont know about the stock F6 dump pipe but I can post a pic if someone can post one of the XR6 one s owe can compare Edited 22/12/08 03:42 PM by Dagabond Link to comment https://www.fordxr6turbo.com/forum/topic/52677-high-flow-cat-on-the-fg/#findComment-789152 Share on other sites More sharing options...
PHANTMXR6 It's not a MKI! Member 1,742 Member For: 16y 9m 25d Gender: Male Location: Earth Posted 19/12/08 09:56 AM Share Posted 19/12/08 09:56 AM Nicely worded. Link to comment https://www.fordxr6turbo.com/forum/topic/52677-high-flow-cat-on-the-fg/#findComment-789160 Share on other sites More sharing options...
djkice Boost Addict Member 1,273 Member For: 16y 8m 22d Gender: Male Location: Perth, W.A. Posted 19/12/08 11:23 AM Share Posted 19/12/08 11:23 AM on another note ford were ready to void warranty on the sight of my BOV.dam silly buggers. Link to comment https://www.fordxr6turbo.com/forum/topic/52677-high-flow-cat-on-the-fg/#findComment-789213 Share on other sites More sharing options...
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