Audio Question - T plate Saxo VTR

Hello, Would anyone have a recommendation for suitable speaker install for the front doors in a T plate, 3 door, Saxo VTR? Have read in a couple of
forums about various speakers, but don't wish to go modifying the door or trim at all. Think they are 13cm / 5.5" fitment. Struggled with a 306 previously due to speaker depth in door panels. Gave up on it, left the standard ones in and upgraded shelf speaker units instead. Any pointers for brand or particular model numbers? Cheers, N!
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