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The HKS Silent Hi‑Power cat‑back exhaust for GH‑GDB(E) applications equipped with the EJ20 engine provides a vehicle‑specific replacement for the factory exhaust layout. This HKS system supplies the Silent Hi‑Power configuration tailored to that chassis and engine combination, giving owners a direct option from HKS for an aftermarket cat‑back fitment that aligns with the vehicle's original exhaust routing.
HKS SILENT Hi-Power GH-GDB(E) EJ20
