FOONIN Donating Members 678 Member For: 15y 11m 15d Gender: Male Location: CHCH NZ Posted 26/06/10 09:13 PM Share Posted 26/06/10 09:13 PM I think the only way to solve this is for one modded car to run a dyno test on each exhaust Link to comment https://www.fordxr6turbo.com/forum/topic/61606-exhaust-pipe-size-vs-area/page/3/#findComment-1019412 Share on other sites More sharing options...
sexual harrassment panda I see a red door and I want to paint it black Donating Members 5,919 Member For: 15y 5m 19d Gender: Male Location: Far north queensland Posted 27/06/10 01:17 AM Share Posted 27/06/10 01:17 AM nah because then they need a retune to suit each exhaust. A before and after backpressure test would be more suitable. Link to comment https://www.fordxr6turbo.com/forum/topic/61606-exhaust-pipe-size-vs-area/page/3/#findComment-1019437 Share on other sites More sharing options...
orangeute338 Suspended 260 Member For: 16y 8m 15d Gender: Male Posted 27/06/10 01:43 AM Share Posted 27/06/10 01:43 AM I think it comes down to how low you want your car and what you can fit under there.....I think twin 3inch all the way through is the go... Link to comment https://www.fordxr6turbo.com/forum/topic/61606-exhaust-pipe-size-vs-area/page/3/#findComment-1019442 Share on other sites More sharing options...
mic Donating Members 1,725 Member For: 17y 2m 27d Gender: Male Posted 27/06/10 04:08 AM Share Posted 27/06/10 04:08 AM well put it this way. have u ever seen a drag car splitting up flow by going 1 into 2 ? of course not, that's creating a restriction. 2 turbos = 2 exhausts/dump pipes. 1 turbo = 1 exhaust. simple. Link to comment https://www.fordxr6turbo.com/forum/topic/61606-exhaust-pipe-size-vs-area/page/3/#findComment-1019468 Share on other sites More sharing options...
FOONIN Donating Members 678 Member For: 15y 11m 15d Gender: Male Location: CHCH NZ Posted 27/06/10 05:53 AM Share Posted 27/06/10 05:53 AM good point but what size for 1 exhaust. Plus the CAT and mufflers play a big part in this Link to comment https://www.fordxr6turbo.com/forum/topic/61606-exhaust-pipe-size-vs-area/page/3/#findComment-1019483 Share on other sites More sharing options...
orangeute338 Suspended 260 Member For: 16y 8m 15d Gender: Male Posted 25/07/10 01:38 PM Share Posted 25/07/10 01:38 PM On 27/06/2010 at 4:08 AM, mic said: well put it this way. have u ever seen a drag car splitting up flow by going 1 into 2 ? of course not, that's creating a restriction. 2 turbos = 2 exhausts/dump pipes. 1 turbo = 1 exhaust. simple.most turbo drag cars I see at the track have a huge dump sticking out the side of the car, yeah good luck getting that regoed....I was more meaning if you want you car low 4inch is getting pretty large....if you wanted ultimate flow and low twin 3inch... Link to comment https://www.fordxr6turbo.com/forum/topic/61606-exhaust-pipe-size-vs-area/page/3/#findComment-1027665 Share on other sites More sharing options...
FOONIN Donating Members 678 Member For: 15y 11m 15d Gender: Male Location: CHCH NZ Posted 01/08/10 05:26 AM Share Posted 01/08/10 05:26 AM I have a stock engine BA xr6t auto and am looking at doing big mods to the engine in 1-2years after mech warranty is up. I was shown the other day at work an xr6t muffler, far out its bloody HUGE and heavy. The mods I wanted to do to my engine vary and my choice of exhaust for it would have been a 3.5inch due to some advice on 3inch being crap for around 350kw. But I have a chance to buy a cheap new 3inch exhaust (dumpy back) with racing CAT or I can just get better free flowing lighter mufflers to attach to the exisiting pipes. Would either of these provide any benefit? If so would a tune be needed? Link to comment https://www.fordxr6turbo.com/forum/topic/61606-exhaust-pipe-size-vs-area/page/3/#findComment-1029224 Share on other sites More sharing options...
Johnny G Team Grandpa Qualified Donating Members 809 Member For: 20y 2m Gender: Male Location: Brisbane North. Posted 01/08/10 07:10 AM Author Share Posted 01/08/10 07:10 AM osonvs - forget it..... waste of time and money (full stop). Link to comment https://www.fordxr6turbo.com/forum/topic/61606-exhaust-pipe-size-vs-area/page/3/#findComment-1029238 Share on other sites More sharing options...
HI PSI Member 1,586 Member For: 18y 10m 20d Gender: Male Location: Central Queensland Posted 01/08/10 10:58 AM Share Posted 01/08/10 10:58 AM (edited) I was enquiring on another forum, looking for the best possible exhust system for my 500+ hp cloevo that going in to my XF GHia.. A member posted a link to a site in the "States" that does oval exhausts.. It looks the gods and would most definately flow well and fix an ground clearance issues.. OVAL EXHAUST PIPE LINKDoes anyone know if anyone in Oz supply this ?? Edited 01/08/10 10:58 AM by HI PSI Link to comment https://www.fordxr6turbo.com/forum/topic/61606-exhaust-pipe-size-vs-area/page/3/#findComment-1029282 Share on other sites More sharing options...
FOONIN Donating Members 678 Member For: 15y 11m 15d Gender: Male Location: CHCH NZ Posted 16/09/10 05:59 AM Share Posted 16/09/10 05:59 AM is there really a point in a 3.5inch exhaust if the CAT is a 3". Wouldnt it make sense to keep it 3".. I know 3.5inch has more area etc etc but your reducing the 3.5 into 3 then back out I would have though (without knowing jack about exhaust) that it would be preferable to have it all the same size pipe if not smaller at the back. Link to comment https://www.fordxr6turbo.com/forum/topic/61606-exhaust-pipe-size-vs-area/page/3/#findComment-1040660 Share on other sites More sharing options...
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