do u have a spare remote... if you do there is got to be a way to reprogram your alarm for another remote and cencel out the one you lost. There has been a official repair manual floating around here I think I remember reading a procedure to program new remote. this way u can keep ur stock alarm and the one u just got

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98 Stock Talon ESi
Mods: New spark Plugs NGK, Fresh ATF, K&N, AGX, UDP and ZipTies tieing the strut towers (according to BlackMagic increases my torsional rigidity)
I know spark plugs are not a mod but the car runs so smooth now.