Banging noise Astra H

Hi guys

Here again with another problem with my car, I had the same problem a couple of months ago and few people on here suggested somethings and it solved it but I'm back to square 1..

I had a knocking/banging noice when I went over bumps, I sorted that with some drop links, then the steering rack sealed had blown so u had to have the steering rack changed but before I had that done the banging noice has come back.

Had the car up on ramps to find my flexi on exhaust had gone and was...

Banging noise Astra H