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HKS Hi-Power 409 catback exhaust for ER34 2-door RB25DET applications is a tailored muffler solution that replaces the factory outlet to change exhaust character for that chassis and engine. It provides an application-specific exhaust note and flow profile for ER34 two-door RB25DET cars, supporting drivers who want a direct-fit, model-focused upgrade.
HKS Hi-Power 409 ER34 2dr RB25DET
