help on why my system dont sound as good wen its in a dif car

[lggarza]

i have two cvrs to a zx1000.1 kicker amp the cvrs are in a ported box the system sounds so good in my friends expedition but then i put it in my ford 150 extended cab an it doesnt sound as good

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[its_bacon12 10+ year member]

could be more cabin gain in the expedition. define "doesnt sound as good"