
GrimmSpeed Post MAF Hose Kit Red - 2008-2014 Subaru WRX / 2018-2021 Subaru STI
HIGHLIGHTS: Durable multi-layer silicone construction Smooth interior walls eliminate turbulence Improves your intake performance GrimmSpeed Post MAF Hose Kit Red TECHNICAL: Reinforced silicone construction The design removes the OEM corrugated folds and the pockets to create a smooth interior wall Designed with a tapered center portion to make sure the diameter matches the OEM air box and turbo inlet The design eliminates mismatched hose diameter which can create steps that will cause airflow trajectories and small vortexes The shape of the hose was optimized through CAD Flow Simulation Testing to generate a smoother flow path The removal of the corrugated folds adds a significant reduction in vorticity to calculate the highest flow efficiency The tapered center portion in the design has an emphasis on vorticity to reduce as much turbulence as possible SPECS: Red finish 4-ply reinforced silicone hose construction CAD-optimized c