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yes
NO! 2006 WRX STi bolt pattern = 5 x 114 2007 WRX bolt pattern = 5 x100 They will never fit. Sorry.
yes it will fit
yes it will fit
probably not, they were redesigned in 08
no it wont fit. Range is 1997 - 2006 fits itself and 2007 and up fit 2007 and up.
No it will not fit. You would have to use the 2006 fenders, grille and Headlight assembly to fit the bumper.
The actual light bulb lamps are different so I believe the headlight housings will be different too.
Changing a 2007 headlight bulb is very easy. You will need to open the hood and find the bulb at the corner of the headlight assembly. Then you will turn the bulb socket counter clockwise to remove. After the bulb is out, you will replace it with a new one and screw it back into the headlight assembly.
yes
Yes
Strut towers or the same on all the Impreza models. Yes they will fit.