on a uk turbo

its not the bolt on one that goes straight onto the intercooler

its a normal forge dump valve

there is a thing on the intrcooler that acts as the dump valve but i cant remove it as there would be nothing to put onto it

i had a dump valve the same on an old impreza i used to have i know there is a way of fitting it but cant remeber how it was done

any help would be great

thanks for taking the time to read this