Hey, the speaker size in the GTS is 6.5". I put ALPINE R-S65 speakers in the back, and they sounds really good, but there are a lot of good speakers out there.
I doesn't have the JBL logo on but I bought some 6.5" speakers and tried to put them on the door speakers and they were to small. Could it be possible my celica got the upgrade or new speakers at a later date?
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