If you have a driveway, that's reasonably flat, a jack, some stands, and a buddy I'm sure you could get it done if a few hours. Heck, you could probably even take it to a flat parking lot on a nice day and get it done if you really wanted to. The $500 that people want for installing them could go to paying for your tune. They're really not that hard to do and that's coming from someone who only knew what he learned from the forums before installing his own.
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