Only if DEI did, and I doubt that.
To answer the original question, if the alarm has all the goodies, I doubt you're screwed. Usually it's the install that counts most.
***Notice I said USUALLY****
There are some alarms that perform head and shoulders above the rest.
Ride: 2000 T-red SE
Beats: Kenwood 316S, Alpine MRF200, Orion XTR 6.2, Coustic 400SE
Mods: CTA, Magnaflow exhaust, SVT Instrument cluster, Knuaberized doors, side markers, F***ed up painted headlights.
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