Your record is sealed since you were a minor at the time. The RCMP will be able to tell something is up, because your prints are on file (they can see that its NOT because of nexus or whatever)
I passed an RCMP/CSIS background check, its not that intense, if you haven't been charged with anything as an adult you'll be fine.
I run a canadian led kit & hid kit company, if you have any questions about led headlights or hid kits in canada or would like to check out our products please contact me here: http://absolutehid.ca
2002 TiAg M3 6mt
deoranged, dechromed, led tails, ZHP knob, UUC SS v3, GROM, OEM 220M 19's, Michelin Supersports
2006 YZF-R6, bunch of go-fast stuff