I do believe WRC cars have to abide by road laws, what with them been road legal to drive between stages etc, so I'll be interested to see how this pans out. Just a quick one on DPF's, it's not the removal that's causing the black smoke, it's the smokey map been put on that causes that. I have a few friends (Honestly, I do have friends) that have de-dpf'ed cars and are not smokey at all [emoji106] Loud pipes save lives