I wanna give the Autolite XP's a try but I won't bother till my plugs need to be changed. My plugs only have probably 30k on 'em now... But, unless others have bad luck with them, that'll be my next plug.

1999 Mystique LS V6 Alpine CDA-9807, Rear deck sub, Opt. TB, K&N RU-3530/MAF adaptor, custom heatshield, FSVT 17's, SCT 4-program chip, Eibach's/ST200's, Hella Fogs...