GTOguy Posted June 5, 2012 Report Share Posted June 5, 2012 I want to upgrade my alarm but after 2 unreplied to threads I have gotten no help from the people on ls1gto.com. so I thought I'd come here. I want to use the Viper 5901 alarm. Which factory immobilizer bypass do I need and any other bypasses I may need. I tried flash-it.com and they didn't have 04-06 gtos listed. Quote 2004 Pontiac GTO- bolt ons, bagged, CCW's, SQzzz Check Out my build log Follow me on IG: @watsupitsdenny Link to comment Share on other sites More sharing options...
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