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Mille
Bikes: 996 sps foggy, 2001 r6, 1098S, s1000rr, Panigale 1199S
Posts: 248
Join Date: Jul 2005
Location: newcastle
Mood: on the back wheel !!
Generally pipe specs are quoted for internal diameters.
Thereafter the schedule comes into place, and this refers to its pressure rating, however with thin walled exhaust tube it doesnt really have any significance