Don't use sandpaper, it will leave a shiny spot since the plastic has a texture to it. Clean the area with soap and water and try using one of those magic eraser sponges (try on small area 1st). It won't get rid of deep scratches, but it could remove some of the scuff marks.
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[09][MB][6-Spd MT][Touring][Stillen Gen III][K&N][Borla CBE][Evo-R]
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