The front and rear speakers according to the Metra Electronics Fit Guide are 6x8".
The 2004 Ford Mustang has 53.6 in. of front shoulder room.
The 2004 Ford Mustang has 52.3 in. of front hip room.
The 2004 Ford Mustang has 38.1 in. of front head room.
The 2004 Ford Mustang has 42.6 in. of front leg room.
The front track of the 2004 Ford Mustang is 4 ft. 11.9 in. (59.9 in.).
The 2004 Ford Mustang has rear wheel drive.
the stock speakers are 5by7 then 6by8
The 2004 Ford Mustang has 12 valves.
The 2004 Ford Mustang has a V6 engine.
The 2004 Ford Mustang is a gas-powered vehicle.
The 2004 Ford Mustang has overhead valves (OHV).
The 2004 Ford Mustang has a 5-speed manual.