Renault Clio expression standard exhaust measurement

[tazzy-lee]

alrite people anyone know what the standard exhaust pipe diameter measurement is on a Renault Clio expression 51 plate the reason is i bought a powerflow exhaust and the back box doesn't fit on the standard exhaust pipe so i need a reducer pipe to fit it been looking very where but cant find the measurements

please help guys


many thanks tazzy-lee