| Fitting exhausts
Ditto Desmoboy.
Just remove the two most rearward bolts of the subframe, and loosen the other two, allowing the subframe to pivot up by an inch or two.
I had EXACTLY the same thing when fitting mine.
Don't force it...move the subframe slightly first.
And another tip (I think this originally came from Tim!) when fitting the hangers on with the rubbers, and trying to position them in place, spray the rubber with WD40. It allows them to be moved around on the can, wihout them poping out of the bracket every time they are moved. | 
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