I have a 2004 4 runner and yes I installed it but it took me about 2 hours to install. I had to cut about 2 1/2 - 3 inches from the heat shield to close the hood and I didn't see anyone else mention it, but I had to cut out a larger area to allow my hood damper to work when closed. After all is said and done, everything works great! Sounds good and looks good despite all the problems I've had. The owner's manual says it will fit the 2003-2008 4 Runner. That is partly true, but partly wrong. This works if you play around with it a bit, so be careful.
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