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This blow-off valve has been engineered using durable construction with a fast-acting valve to relieve your turbocharger very quickly of excessive boost
Allows you to simply adjust the damping in an otherwise tight spot
Running the stock paper filter against a tune designed for more airflow leaves power on the table
Optimized Airfoil Using ANSYS Adjoint Solver
Easy installation with simple hand tools
APR Performance 61 inch GTC-300 Adjustable Wing (WRX non STI only) - 2015-2021 Subaru WRX Toyota-GR-Corolla-2026 This blow-off valve has beenWith a span of 61 inches and a height of 13 inches, the GTC 300 is an adjustable wing that means serious business. The GTC 300 3D airfoil shape allows for optimal airflow that reduces drag yet supplies an effective amount of downforce. Computational Fluid Dynamics (CFD) analysis was performed on this wing to support validation of its aerodynamic design. APR 61 inch GTC 300 Adjustable Wing (WRX non STI only) Highlights Best in class Lift vs Drag (L D)