Ted on me head

Hi, it’s a 2013, full service history. 54k, and the standard 3 pot petrol engine. Yes I’ve held paper on the exhaust and it’s definitely sucking in on tic over. just been serviced last week. I had it on the computer, unfortunately no codes present. I was hoping someone had the same issue. In terms of engine shaking after a gentle rev and exhaust sucking in. I’m a bit stuck at the min

Hi, I was wondering if anyone else has had the same problem with a C1. The engine shakes after a very gentle rev while stationary. Also exhaust seems to be sucking in at tailpipe on tic over?