BA55Y Member 74 Member For: 15y 2d Posted 28/11/10 12:26 PM Share Posted 28/11/10 12:26 PM Im looking at getting a 2.5" twin xforce catback for my ba xr6 turbo and I was wondering with just the catback will I need to get it retuned? ive heard from some people that I wont because the catback does nothing but add bit of noise which is all im after ne ways. but would be good if someone could clear this up because I dont want overboosting.The car is an 04 xr6t 5speed with HDI Cooler, under battery air intake and process west cross over and custom tune. Link to comment Share on other sites More sharing options...
Goliath Member 383 Member For: 14y 7m 13d Gender: Male Location: Sydney Posted 29/11/10 12:33 AM Share Posted 29/11/10 12:33 AM (edited) Not sure if I'm correct, but I think it's to do with over boosting which in turn puts the car in limp mode? But I may be thinking that this is the case with dump + cat Edited 29/11/10 12:42 AM by Goliath Link to comment Share on other sites More sharing options...
Henz Tampon inserted, Auto Acquired, next purchase a new handbag Donating Members 9,946 Member For: 16y 11m 9d Gender: Male Location: Vic Posted 29/11/10 05:06 AM Share Posted 29/11/10 05:06 AM Normally it's just a cat that throws it out. But pay the $50-60 too throw it on a dyno and check the afr's as it may have been tuned more on the lean side to start with. Link to comment Share on other sites More sharing options...
DjGsTa Donating Members 944 Member For: 17y 10m 16d Gender: Male Posted 29/11/10 05:53 AM Share Posted 29/11/10 05:53 AM she'll be rightjust dont be putting on different cats and boosting around everywhereotherwise she'll go boom Link to comment Share on other sites More sharing options...
BA55Y Member 74 Member For: 15y 2d Posted 29/11/10 07:10 AM Author Share Posted 29/11/10 07:10 AM ohk so im gathering from that as long as I dont change the cat or dump pipe and I just do a catback I should be fine but ill get it checked on a dyno afterwards for peace of mind Link to comment Share on other sites More sharing options...
MiKa Donating Members 4,243 Member For: 18y 6m 8d Gender: Male Location: Melbourne, VIC Posted 29/11/10 07:26 AM Share Posted 29/11/10 07:26 AM I removed my centre muff and was told I needed a retune? I dunno but I'd get it checked out on a dyno.. Link to comment Share on other sites More sharing options...
Henz Tampon inserted, Auto Acquired, next purchase a new handbag Donating Members 9,946 Member For: 16y 11m 9d Gender: Male Location: Vic Posted 29/11/10 07:36 AM Share Posted 29/11/10 07:36 AM THink someone had a lend of you Mika Link to comment Share on other sites More sharing options...
MiKa Donating Members 4,243 Member For: 18y 6m 8d Gender: Male Location: Melbourne, VIC Posted 29/11/10 09:34 AM Share Posted 29/11/10 09:34 AM Yeah, but it needed one anyway.. Link to comment Share on other sites More sharing options...
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