Apply heat in moderation, to the stripe with a heat gun. This warms the glue so the stripe may be peel away.
Aerosol spray adhesive remover and plastic scraper.
A non-aggressive stripe and adhesive removal wheel. This wheel is attached to a drill or other circular motion power tool. Light direct pressure is applied, causing the stripe and adhesive to disintegrate.
Application
Clean panel of any wax, grease and hand glaze.
Do not apply a stripe to a panel cooler than 55°F or warmer than 90°F. If vehicle was exposed to sun or completed a cure cycle, the stripe may be applied after the vehicle has reached room temperature.