P_BA_XR6 Member 271 Member For: 16y 11m 1d Gender: Male Location: Castle Hill Posted 31/07/11 09:17 AM Share Posted 31/07/11 09:17 AM what do you guys think I should go for, im just thinking get a 4 inch dump pipe then 4 cat to a twin 2.5 or twin 3 inch Link to comment https://www.fordxr6turbo.com/forum/topic/76214-twin-25-or-twin-3-inch/ Share on other sites More sharing options...
xr6t4life Member 129 Member For: 15y 9m 17d Gender: Male Location: Perth WA Posted 31/07/11 11:30 AM Share Posted 31/07/11 11:30 AM depends how much power you are going for if its really big numbers get the twin 3" if its 300-350rwkw twin 2.5 will do fine its probably cheeper to. Link to comment https://www.fordxr6turbo.com/forum/topic/76214-twin-25-or-twin-3-inch/#findComment-1128272 Share on other sites More sharing options...
unclewal Donating Members 583 Member For: 14y 7m 12d Posted 31/07/11 12:25 PM Share Posted 31/07/11 12:25 PM I went 4inch dump to 5 inch cat to twin 2.5, quiet and will be enough to flow plenty of horsepower and its quiet (well quiet enough) Link to comment https://www.fordxr6turbo.com/forum/topic/76214-twin-25-or-twin-3-inch/#findComment-1128305 Share on other sites More sharing options...
dre Resident idiot. Donating Members 2,068 Member For: 14y 7m 12d Gender: Male Location: Melbourne Posted 31/07/11 03:35 PM Share Posted 31/07/11 03:35 PM Really does depend on what your end goal is. Link to comment https://www.fordxr6turbo.com/forum/topic/76214-twin-25-or-twin-3-inch/#findComment-1128328 Share on other sites More sharing options...
f6mark Member 2,908 Member For: 14y 2m 18d Gender: Male Posted 31/07/11 06:57 PM Share Posted 31/07/11 06:57 PM go the 3.5 mate. Link to comment https://www.fordxr6turbo.com/forum/topic/76214-twin-25-or-twin-3-inch/#findComment-1128336 Share on other sites More sharing options...
Trough Lolly Member 4,349 Member For: 20y 7m 24d Gender: Male Location: Mildura Posted 03/08/11 04:44 PM Share Posted 03/08/11 04:44 PM haha neither will work well on his NA Link to comment https://www.fordxr6turbo.com/forum/topic/76214-twin-25-or-twin-3-inch/#findComment-1129491 Share on other sites More sharing options...
g6t Silver Donating Members 328 Member For: 15y 16d Gender: Male Location: sunshine state Posted 03/08/11 11:28 PM Share Posted 03/08/11 11:28 PM twin 3.5 or twin 4: some thing diferent , u get your backpresure from the turbo after that dozent matter 2 much. Link to comment https://www.fordxr6turbo.com/forum/topic/76214-twin-25-or-twin-3-inch/#findComment-1129535 Share on other sites More sharing options...
dre Resident idiot. Donating Members 2,068 Member For: 14y 7m 12d Gender: Male Location: Melbourne Posted 04/08/11 12:21 AM Share Posted 04/08/11 12:21 AM you have forgotten the need for velocity. The op's car is non turbo (or his sig is out of date). the thought of a non turbo with twin 3" is as bad a v6 Late model camira with a chev badge. Link to comment https://www.fordxr6turbo.com/forum/topic/76214-twin-25-or-twin-3-inch/#findComment-1129549 Share on other sites More sharing options...
.BLKPHN. Bronze Donating Members 283 Member For: 14y 2m 10d Gender: Male Posted 04/08/11 12:43 AM Share Posted 04/08/11 12:43 AM I have a twin 2.5" cat back for sale or a whole zorst Link to comment https://www.fordxr6turbo.com/forum/topic/76214-twin-25-or-twin-3-inch/#findComment-1129553 Share on other sites More sharing options...
arronm Dropping a turd Gold Donating Members 9,520 Member For: 17y 6m 5d Gender: Male Location: Perth Posted 04/08/11 12:51 AM Share Posted 04/08/11 12:51 AM You guys are soft go twin 4 inch, anything less is gay. Link to comment https://www.fordxr6turbo.com/forum/topic/76214-twin-25-or-twin-3-inch/#findComment-1129556 Share on other sites More sharing options...
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