dojj yes the details you entered did not meet their required criteria for their specialised policies, ie they will not give a specialised policy due to the postcode you supplied was not acceptable. after the full stop it advises a plan can help with lightly modded cars, (mainly due to the fact they are telling you they cannot quote currently) in no way does that reply state you do not have a car that isnt modified enough.

the top part of the email will be sent on all or most unsucsessful applications will receive this reply with the additional info line being added with the reason for decline