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making them a dependable choice for high-performance driving
maintaining its shine over time
Designed to support high-performance driving conditions
giving your vehicle a more aggressive sound profile
HKS 4-6mm Reducer Fitting | (18006-AK016) t14sold-KTA139A making them a dependable choiceHKS 4 6mm Reducer Fitting Part #: 18006 AK016 Overview The HKS 4 6mm Reducer Fitting is a precision engineered component designed to facilitate seamless connections between different diameter hoses or piping in your vehicles intake, turbo, or exhaust systems. Crafted for automotive enthusiasts and professional tuners alike, this reducer fitting ensures reliable, leak free performance under demanding conditions. Its durable construction supports