Well got the car, and had a good look today. The headers and uppipe are all one unit, so will need to come off complete. But looks like it can be dropped with the turbo still in place. But the downpipe is getting in the way of one of the nuts (a fancy angled spanner might let me get at it which I don't have) so looks like the downpipe needs to come off to gain access, in which case probably just as easy to pop turbo off as well to make life even easier......
My only hesitation now is my exhaust is just too noisey for me so need to research if a really quiet 3" bore back box exists. Else I will think about swapping the entire 3" hks system including downpipe for a 2.5" system.
So need to look into this before I do anything with the uppipe.
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