Amp Performance Three Valve Hci Kit Factory Intake
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The factory-installed intake manifold actually does not inhibit a stock 4.6-liter Three-Valve engine's airflow efficiency as much as stock EFI intakes for pushrod 5.0 and Two-Valve 4.6s did. However, while the stock intake breathes well on moderately upgraded engines, it hinders high-rpm performance of bullets that are modified with ported heads, higher-lift camshafts, and other pieces that enhance intake and exhaust airflow. View Related Article
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