Wanted: 2005 Malibu Maxx input/output steering shaft and Cat in Brampton, Ontario

I'm looking for a redesign I shaft or the steering input/output shaft for my xxxx Malibu maxx with the 3.5 engine, I'm also looking for the rear cat with down pipe, Y pipe and flex pipe - it comes as one unit. I'm willing to buy the Y pipe with the flex pipe and weld it on if someone has it.