at autozone or advance autoparts
K&N. 40-60 dollars depending on type needed. Lifetime warranty. Can be cleaned and not replaced. Can also buy the oil spray for filter and seal spray. Go to K&N filters on google.
K&n
their website will give best directions, but water will work, then treat with k and n filter oil
A K&N air filter.
If it is a stock paper filter, no it needs replacing, if it is a k&n high flow, yes, clean it with k&n filter cleaner and rinse with gentle running water let it dry and oil the filter with k&n filter oil.
http://www.knfilters.com/search/appsearch.aspx Get K&N its better K&N Part Number for Air Filter E-0940
take it out and put in a k@n filter take the charcole filter that sits abouve air filter out for better air flow
Internet
pop off the lid on the air box, then drop in a new filter...k&N are the best
K & N make some of the best air filters available.
install a K&N Air Filter
Just buy a K&N air filter for it and put it in the stock airbox.