Originally posted by expo5.0
before changing them you might also want to take them out and clean the insides. this might not be a good thing to post, but i cleaned mine on the inside with um diluted formula 420 solvent. it has some citric acid and some sand like particles and it worked pretty well. it's also pretty cheap and available wherever you can buy water pipes and stuff. nobody here is from the feds right? well anyways, i don't do anything illegal i just bought that stuff to clean my headllights.