Milltek decat on standard exhaust

Morning chaps,

I have ordered a milltek decat pipe but was wondering if it actually fits onto a standard exhaust... I may have to swap for a K-Tec decat pipe instead if not!
 
According to K-Tec website the Milltek decat will only fit a Milltek cat-back system and cannot be used with either OEM or other makes of aftermarket exhaust.