Radium Fuel Rails - 2013-2021 Scion FR-S / Subaru BRZ / Toyota 86 2013-2020 BRZ Side Rocker Extensions include trailing-edge

Side Rocker Extensions include trailing-edge vertical extensions that help to guide airflow away from the rear wheel wells

In development for 4+ years to achieve high performance

and throttle response

Compatible with the 18-18 Forester XT and 15-21 WRX

Radium Fuel Rails - 2013-2021 Scion FR-S / Subaru BRZ / Toyota 86 2013-2020 BRZ Side Rocker Extensions include trailing-edgeThese are Radium Engineering's Fuel Rails. These have been designed with a large 0. 69" internal bore, and they can support all necessary engine power requirements. The left and right fuel rails are identical and feature anodized aluminum bodies and mounting brackets. A great upgrade for those of you who are building a fuel system to supplement engines that are producing more power and performance. Radium Engineering Fuel Rail Kit SPECS: Strong