Hi welcome! The rust seems to be localized on the exhaust, right? How long had the car been in the parking lot before you bought it? I'd say it's just been sitting for a while there and that "should" be fairly ok.
From a personal perspective... I'd be pissed.
__________________
2013 PW 370Z Touring+Sport, NAV
Tint 35% side, 18% back | RJM clutch pedal | ZSpeed SS lines | Stillen Gen3 CAI | Fast Intentions HFC and TDX 12'' CF CBE | UpRev
|