Interior

Sparco Seat Base Adapter for the 2012 and later Subaru BRZ and Scion FR-S. This bolts directly to the floor of your Subaru BRZ and Scion FR-S floor on the passenger side and lets you mount seat sliders or your seat side mounts directly to it to keep you the lowest possible. 

Vehicle Specific Floor Mount Adapters For Scion FR-S / Subaru BRZ / Toyota FT-86 (2012+) - Driver. Planted Technologies floor mounts will keep you and your seat where it needs to be lap after lap. Use part  #SB161DR

Sparco Seat Base Adapter for the 2012 and later Subaru BRZ and Scion FR-S. This bolts directly to the floor of your Subaru BRZ and Scion FR-S floor on the driver side and lets you mount seat sliders or your seat side mounts directly to it to keep you the lowest possible. 

Scion FRS & Subaru BRZ owners, this is the steering wheel hub adapter you want. Smaller that the competition, so no trimming of the dash panels or gauge cluster is required, like the other Toyobaru steering wheel adapters out there.