Hey just wondering has anyone tried running a 2" exhaust system im mid way through my sss conversion and im having trouble sourcing imperial size pipe all i can get my hands on is 1:50 or 2" if anyone has tried would be interested to see how it would run cheers dudes

 

From where my pipes branch back into two pipes, they are 2" 'til the cans.

 

just wondering about changing the header pipe sizes stock header is O.D. 43mm / I.D. 40 mm the pipe im thinking of using is O.D. 51 / I.D. 48 was wondering how this will effect flow ie: back pressure or lack of also id guess the jetting will have to be changed ???????