if you are talking about the trim pinstripes, those are actual thin tape, which was applied before a clearcoat was applied....virtually impossible to remove nicely. You end up having to sand the clearcoat and tape down, and then scrape the tape off....and feather all the edges with wet sanding....a royal P.I.T.A.
went thru it during the COGZilla buld, it had the pinstripes....arggggg.
with that said, your sig shows you have a 1999, it had no such stripes, or decals, only factory "stickers" which peel off with a heatgun, or hairdryer heat.