http://www.nolimitstrackdays.com/index.php/book-a-trackday/uk-trackdays/brands-hatch-gp-19th-september-2013-detail
Worth remembering MSV are 102Db Static!
Booked Oulton last Sept and never made it past unloading the RS and the first session noise test.
Got some longer end cans since and some guys there with NX5's running standard exhaust passed and were riding.