Speed Bump Damage Help Needed Quick

[the1whosmokes]

Hi had my audi a6 c5 2.4se (98) a week !! hit ugly speed bump at speed and done underside damage please advise what ive cracked photos below, the cars exhaust also sounds like a tank can i do front end exhaust damage? Need to know roughly cost of repair and whats involved, all help apprreciated, Thanks in advance, I live in Dunstable Bedfordshire any mobile mechanics close to me want to look at my car and provide quote please?

 

1. no oil in car

 

2. sounds really bad rough when started

 

3 . think its in limp mode also

 

4. think ac will need reconnecting.

 

n.b im no mechanic!!!!