Anyone know what the exhuast pipe is called between the backbox and cat

[Pich]

I need a new pipe bit that goes from the backbox to the cat and the garage said it would be a 100 pond is this a good price or should i look somewhere else ?
Oh yea whats it called?

 

[D4N13L]

centre section?

 

[ajdallas_691]

I concur. Centre section it is.

 

[D4N13L]

igot a spare if u need it

 

[Pich]

Yes mate i need it how much ?