RSK Member 340 Member For: 17y 9m 9d Gender: Male Posted 25/02/09 08:05 AM Share Posted 25/02/09 08:05 AM Yep, stock cat. My tuner said it wouldn't need a re-tune. I take the reason being the CAT is the biggest restriction in the exhaust and effects the back pressure the most? In regards to the burble, I've heard stock cars with centre mufflers out burble, and on retune it goes away. I havn't heard about the burble in relation to tuned cars getting the muffler out burbling after though. Guess I'll find out Link to comment https://www.fordxr6turbo.com/forum/topic/54935-exhaust-removal/page/2/#findComment-830853 Share on other sites More sharing options...
BFHOON Donating Members 1,932 Member For: 19y 2m 29d Gender: Male Location: nsw Posted 25/02/09 09:51 AM Share Posted 25/02/09 09:51 AM I forgot to mention no cat no mufflers = uncontrolable boost. I have a modded wastegate fitted. Link to comment https://www.fordxr6turbo.com/forum/topic/54935-exhaust-removal/page/2/#findComment-830911 Share on other sites More sharing options...
cranners Member 56 Member For: 16y 7m Posted 25/02/09 10:04 AM Share Posted 25/02/09 10:04 AM So a XR6t with no cat but rear muffler would dampen performance?? Link to comment https://www.fordxr6turbo.com/forum/topic/54935-exhaust-removal/page/2/#findComment-830926 Share on other sites More sharing options...
4SinAir Member 125 Member For: 16y 10m 5d Gender: Male Location: morley, perth Posted 25/02/09 10:40 AM Author Share Posted 25/02/09 10:40 AM RAP1D said: We've done a few of these as custom jobs, but with twin cannons... not too loud really. wat do you think about just putting one canon on the end an with them standard hotdogs just before the canon RAPID?cheers Link to comment https://www.fordxr6turbo.com/forum/topic/54935-exhaust-removal/page/2/#findComment-830973 Share on other sites More sharing options...
RSK Member 340 Member For: 17y 9m 9d Gender: Male Posted 26/02/09 05:04 AM Share Posted 26/02/09 05:04 AM Dirty32 said: In saying that, its not going to dramatically increase flow or power so a retune isnt needed.Just spoke with my tuner, and he was a bit hesitant, and said that it MAY increase boost a bit, and change my AFR, around. So being better safe then sorry, car is going in tommorow after the exhaust to check the AFR's and a possible Re=rutune Link to comment https://www.fordxr6turbo.com/forum/topic/54935-exhaust-removal/page/2/#findComment-831291 Share on other sites More sharing options...
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