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4" for the back and 6.5" for the front
6.5 inches round
The stock air box in a Subaru Forester contains the air filter. To reveal the air filter remove all the screws mounting it to the engine. Proceed to open the air box and replace the air filter. Reinstall the air box to the car.
the stock speakers are 5by7 then 6by8
The stock front speaker size on a 2002 Honda Civic is 6.5 inches. These speakers are located inside the door panels of the vehicles.
6.5
6.5 inch
The stock front door speakers on 97- 01 lumina are 5.25 round but the depth of the speaker is an important dimension since the speaker is front mounted in an enclosure which is mounted to the door. I replaced my stock speakers with Sony Xplod model XS-R1342. Any 8 ohm model speaker with similar dimensions will work.
The 2009 Subaru Forester takes a fairly specialized 14" rear wiper blade that is often difficult to find in stock at stores. See sources and related links below for more information on the wiper blade itself and for an installation video. Installation is simple once you have the correct fitting wiper blade.
5x7 in the rear 6inch in the front
6.5 in front 6x9 in rear
The front speakers sre 6 1/2