air intake size

[mitsuruki]

so im planning on buying a new intake filter but saw on the internet that there are multiple size like 2,50 and 2.75 etc so im wondering whats the size of ours ? glanza

for example will this fit http://www.ebay.com/itm/HKS-100mm-Inlet-Premium-Super-Power-Flow-Air-Intake-200mm-Filter-Reloaded-Kit-/251545752262?pt=Motors_Car_Truck_Parts_Accessories&hash=item3a914b92c6&vxp=mtr

Edited December 13, 2014 by mitsuruki

[fiddlersport]

I have a genuine hks filter like the one in the photo which is a straight fit if you interested ? that one in the photo looks like a fake

I have 2, one is a fake and one is a genuine