With the 2005+ LGT, the immobilizer would be the primary reason for non-fire. If you don't have the key that's matched to the ECU, then it's a non-starer, no pun intended.
Recommend you just get a stand-alone EM system and call it a day. Getting all of the other bits, i.e. encoded/matched key, BTS, etc., will make this a difficult project. Only Subaru techs, with a Subaru Select Monitor can encode/match the key to the system.
Originally Posted by thisheregirafFe View Post
got to thinking, having a leggy daily driver is a lot like being in a toxic relationship. you'll definitely end up cussing, bleeding and possibly even crying. it'll manage to sneak more money out of your wallet than you ever intended and your friends and family may start to show concern. but sweet merciful baby jesus in a manger, when it's good it's fcking good.
Nullam et ipsum propter Deum.