This is 44-74404; RCAF 9276; now N151RJ
This is P-51D Mustang s/n 44-74445, now known as Sugar Booger wich is owned and operated by Bill Hubs in Pecos, TX
It looks like N4132A was used for 2 ex-RCAF Mustangs. This one is most probably 44-74404, RCAF 9276 (still visible on the tail), now N151RJ 'Dazzling Donna' with Bob Odegard.
Martin (Swiss Mustangs)
Hi all N4132A / RCAF 9276/ 44-74404 (44-74445 was RCAF 9594) both a/c reportedly carried N4132A, but '445 also is related to N4143Awhich possibly was ntu. Both a/c are reported to have been delivered to the FAG (Fuerza Aerea Guatemalteca) as 'scrap metal'after being wfu by the RCAF. Martin (Swiss Mustangs)