fitting '89-92 DA integra seats to ke70 sedan

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fitting '89-92 DA integra seats to ke70 sedan

ive seen the dx corolla sedan cruising around with '89-92 DA integra seats in them. Just wanting to know how is it putting them into ke70 sedans?
does it bolt upto ke70 factory rails? or do you use/modify factory integra rails etc?

any help would be appreciated

cheers