The present research aims to investigate whether salience of memberships during imagined contact is necessary for producing generalized positive attitudes toward the outgroup and promoting intergroup cooperation. After a warm-up task that involved reciprocal self-disclosure during the imagined interaction with an outgroup member, we manipulated interpersonal versus intergroup features of imagined contact. Results indicated that participants who imagined a conversation with a Muslim focusing on intergroup differences subsequently reported more positive attitudes and cooperative intentions toward Muslim immigrants compared to either participants who imagined the interaction at the interpersonal level or participants in a control condition. Moreover, these effects were found to be mediated by outgroup trust. These findings attest to the strength of interventions based on imagined intergroup contact and suggest a possible implementation of the technique.