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Greater flow capacity
optimal heat transfer
Replaces entire factory air intake system
aggressive sound and improved flow are well-matched to both naturally aspirated engines across all production years
HKS HIPERMAX Coilover Kit - 2013-2021 Scion FR-S / Subaru BRZ / Toyota Toyota-GR86-2025 Greater flow capacityHKS HIPERMAX Coilover Kit 2013 2021 Scion FR S Subaru BRZ Toyota HKS Hipermax Suspension Engineering The HKS Hipermax line is the product of decades of suspension development through motorsport application and real world testing. Each kit is designed for a specific platform, with spring rates, damping curves, and upper mount geometry validated through HKS's own testing program. The Dual Preload Valve System (Dual PVS) suppresses unnecessary damping