1) remove the glove box2) remove panel below steering wheel (in front of drivers knees)3) drop lower part of dash to expose the rear of speakersthis job requires a Phillips screwdriver, a 10mm socket and ratchet, and a fair amount of patience as not to damage dash.
4"
Dimentios are 6.9 in the front and 6.5 in the back
4 regular speakers and 2 tweeters up front. All in the doors.
4 inch in the front and 5 1/4 inch in back
6 1/2" in the front door and 5 1/4" in the rear.
The 2013 Toyota 4Runner has 39.3 in. of front head room.
The 2009 Toyota 4Runner has 58.0 in. of front shoulder room.
The 2008 Toyota 4Runner has 58.0 in. of front shoulder room.
The 2004 Toyota 4Runner has 41.7 in. of front leg room.
The 2003 Toyota 4Runner has 39.7 in. of front head room.
The 2005 Toyota 4Runner has 39.7 in. of front head room.
The 2001 Toyota 4Runner has 39.3 in. of front head room.