FN2 Civic Type R Flow-Lock Rear DiffuserSuits FN2 Type R models INSTALL DOES NOT REQUIRE BUMPER REMOVAL Details Flow Lock interlocking system allows for assembly of the diffuser fins without the need for tools or fasteners. With a simple push and click the kit is assembled and ready for installation this allows for zero exposed hardware giving you the cleanest look for your FN2 Civic Type R rear. No more ugly L brackets, no additional exposed hardware and no double sided tape, experience