so got my estate running but splutters like mad between 4 and 6 k if i nail it its fdine but driving sensibly its deadful
they are definately cossies greens however my engine aint that modded it has a chip and 10 psi stage 3 t3 but thats all
will the cossie greens cause the splutter its on ofab management aswell
and wud it explain my 15mpg