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The HKS Hi-Power 409 cat-back exhaust for GC8 applications with the EJ20 engine is a replacement exhaust system offered under HKS' Hi-Power 409 family. Supplied to replace the factory cat-back, it updates the exhaust path and appearance while retaining fitment for GC8 EJ20 setups. Offered as a bolt-on solution for owners seeking a different exhaust configuration.
HKS Hi-Power 409 GC8 EJ20
