NGK Racing Spark Plugs - 2013-2022+ Scion FR-S / Subaru BRZ / Toyota GT86 & GR86 Master Cylinder Brace The stock rear muffler has

The stock rear muffler has a baffled design without packing material

563 in (40 mm)

aerodynamically work well with the Verus Engineering rear diffuser

Made in Japan – Precision-engineered for perfect fitment and finish

NGK Racing Spark Plugs - 2013-2022+ Scion FR-S / Subaru BRZ / Toyota GT86 & GR86 Master Cylinder Brace The stock rear muffler hasBuilt for extreme performance and proven on the track, NGK Racing Spark Plugs are engineered to withstand the most demanding conditions in motorsport. From endurance racing to drag strips, NGK plugs deliver exceptional ignition stability, heat dissipation, and durability under high cylinder pressures. Each plug is designed with specialized electrode configurations to ensure maximum ignitability and consistent performance at peak load. Key Features