Trade Meisterschaft Exhaust for Stock M3 Exhaust

Hi i have a Meisterschaft Exhaust put on by PLATINUM MOTORSPORT in my m3 coupe year 2009 .... it is in excellent condition i prolly have had it for like 2-3 months... i wanna exchange it for a stock m3 exhaust if anybody wants to do the trade please message me or comment .... need to do this asap so message or email me!!!!!!!