yeah so i am gona get the manifold gaskets flexipipe and cat for a st170 so all i need is st170 dipstick tube ,possibly st170 powersteeringpipe and extend my 1.8 lambda sensor??is this right?

also is there a video of a st170 mani on a focus 1.8 as i dont want to do this modification and find out it sounds very raspy and doesnt sound nice