71-74 Cuda/Challenger floor VS 71-72 Roadrunner floor

Isn't the front floor and fire wall the same from 71/72 Sat-Roadrunner to 71-74 Cuda/challenger? I thought some told me that and possibley the front frames where too???

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Isn't the front floor and fire wall the same from 71/72 Sat-Roadrunner to 71-74 Cuda/challenger? I thought some told me that and possibley the front frames where too???

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yes they are the same as 71- 72 dodge or plymouth

2door 4door sw
inder fenders rad lower fire wall front floor
4speed hump k meber

73 -74 front floor