Hi, I would like to know if I can use as an exhaust 2.5 inch diameter stainless steel pipe and a 5 inch round silencer from the dpf back on a 2017 Renault Clio IV 1.5 Dci.
I have done a remap and added a Pipercross panel filter. Just want to know if 2.5 inch diameter pipe ok to use with the 5...