will 5th gen side veiw mirrors fit a 6th gen convertible 
will? - 6G Celicas Forums
Yes
the wiring has to be modify but they are just 4 wires so is really simple, look for a how to..here on the site.
also one of the three bolts holes is off about a centimeter, so you have to either widen it or drill a new one, but its an overall easy install