my spoiler has these rain marks that dont seem to go away even tho i washed the car and even waxed and still those nasty marks are ther !! any of you having this promblem on your ip spoiler if so where you guys able to remove them with something? I read somewhere a mix of vinager and water 50/50 might work so im gona give that try.

 

Pics??

 

+1 on what gmlee said. Once you post a pic then someone on this forum can tell you what to use.

 

+2 ^^