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The HKS Silent Hi-Power muffler for NA GF-AP1 F20C applications is a direct-fit cat-back muffler tuned for a quieter exhaust character while preserving usable flow on naturally aspirated F20C setups. Matched to GF-AP1 F20C fitment, it offers a subdued sound profile appropriate for owners who want controlled tone without sacrificing correct fitment or requiring system modification.
HKS SILENT Hi-POWER NA GF-AP1 F20C
