repsolme Member 6 Member For: 18y 9m 28d Posted 27/09/06 11:31 PM Share Posted 27/09/06 11:31 PM well the 3 in xforce sounds awesome and definatley gives better power,spoke to my tuner and it will go on the dyno next week, will let you know how it all goes.Rep Link to comment Share on other sites More sharing options...
bugster70 Donating Members 1,326 Member For: 19y 9m 1d Location: Canberra Posted 27/09/06 11:41 PM Share Posted 27/09/06 11:41 PM Okay, I just did some calculations and this is what I came up with.Twin 2.25" pipes have a combined (cross sectional) area of about 7.95 (inches squared).Single 3" pipe has an area of about 7.07.Single 3.5" pipe has an area of about 9.62.My logic tells me that the larger the area of the tube, the more air it will flow (somebody tell me if that’s incorrect). Based on that, I would say that the stock 2.25" pipes would flow more than a single 3" pipe. Having said that, this doesn’t, of course, take into account things like cats and/or other restrictions like mufflers, etc. Hope that helps. Link to comment Share on other sites More sharing options...
BOZZTURBO Donating Members 237 Member For: 18y 6m 6d Gender: Male Location: Melbourne Posted 27/09/06 11:46 PM Share Posted 27/09/06 11:46 PM spot on 3.5 or 4.0 inch Link to comment Share on other sites More sharing options...
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