here is a plenum I have made for a mates evo.
https://fbcdn-sphotos-b-a.akamaihd.net/hphotos-ak-xta1/v/t1.0-9/p480x480/11248058_1647782632107529_7459673286480671367_n.jpg?oh=93b11c220f28679e6731f8cda1037fba&oe=5621DCC6&gda=1444062905_1a93f44055506e629684a21fe2554e0c