GSC P-D Exhaust Valve Set +1mm (30mm) Subaru BRZ / Scion FR-S / Toyota 86 2014-2020 | 2133-8 vendor_Cosmis Wheels Stage 1 Package Features

Stage 1 Package Features

(2) weld-in O2 bungs

gaining up to 14

Screws will self tap into a non visible area so when you go back to dual exhaust it will still look factory

Machined Flange Faces and Internal Bores - Maximum pressure-tightness and unrestricted flow

GSC P-D Exhaust Valve Set +1mm (30mm) Subaru BRZ / Scion FR-S / Toyota 86 2014-2020 | 2133-8 vendor_Cosmis Wheels Stage 1 Package FeaturesFitment: Subaru BRZ (2014 2020) Scion FR S (20142 016) Toyota 86 (2017 2020) The GSC Power Division +1 mm Exhaust Valve set is engineered for the FA20 engine found in the Subaru BRZ, Scion FR S, and Toyota 86. Designed with a 30 mm head diameter and precision 5. 5 mm stem, these valves significantly improve exhaust flow while maintaining strength under extreme temperatures and high RPMs. Each valve is crafted from premium 23 8n stainless steel with