Hooker Racingheart 3-Step Dragster Headers-Chrome - 2502-6HKR flowmaster 4L V8 1968 - 1969

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Hooker Racingheart 3-Step Dragster Headers-Chrome - 2502-6HKR flowmaster 4L V8 1968 - 1969Hooker's RacingHeart Big Block Chevy Downswept, 3 Step Dragster Headers feature 2. 125 inch 2. 25 inch 2. 375 inch stepped primary tubes to maximize exhaust flow, resulting in horsepower and torque gains over a broad rpm range. The 4. 5 inch merge collector with merge spear design improves the transition of the exhaust pulse from the primary tube to the collector and maximizes the scavenging effect on the exhaust pulse. This helps maintain the