RS style Pre Facelift 4 Fin Diffuser NEW..Mk2 focus st pre face diffuser Made from fibreglass this diffuser comes in a gloss black double gel coat finish. This RS style diffuser has been reshaped from our very popular facelift version so it now fits the pre facelift with ease and simply bolts in place using the fixings supplied There is no cutting of the bumper involved with fitting this diffuser like in the past, there is also no need for any tigerseal, just drill 4 holes and bolt it on